Aircraft General Practices A320/321

SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES SINGLE AISLE TECHNICAL TRAINING MANUAL AIRCRAFT GENERAL PRACTICES 06 DIMENSIONS AND AREAS Structural Breakdown and Zoning (3) . . . . . . . . . . . . . . . . . . . . . . . . . 2 09 TOWING Towing with Nose Gear from the Front (2) . . . . . . . . . . . . . . . . . . . . 24 10 PARKING AND MOORING Parking and Mooring (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 12 SERVICING Maintenance External Visit (3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 U3U06191 – U0O35M0

MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TABLE OF CONTENTS May 11, 2006 Page 1 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) REFERENCE AXES The structure elements are installed according to the following reference axes. The X axis in the longitudinal direction of the fuselage, the Y axis in the direction of the wing span and the Z axis in the vertical direction. The cross section P presents a typical fuselage section at frame 47. NOTE: Note: The reference (station 0) for all structural measurements for the X axis is set at 100 in (254 cm) forward of the A/C nose.

U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 2 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 REFERENCE AXES MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 3 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) ATA CHAPTERS The A/C structure is divided according to the ATA 100 specifications. SECTION NUMBERS Each major part of the A/C receives a section number. The fuselage section base number is 10.

The fuselage is divided into various sections for manufacturing reasons. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 4 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 ATA CHAPTERS & SECTION NUMBERS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 5 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) SECTION NUMBERS (continued) WING AND TAIL PLANE The general wing section base number is 20.

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The general tail plane section base number is 30. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 6 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 SECTION NUMBERS – WING AND TAIL PLANE MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 7 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) SECTION NUMBERS (continued) ENGINE, LANDING GEAR AND BELLY FAIRING The engine section base number is 40.

The L/G section base number is 50. The general belly fairing section base number is 60. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 8 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 SECTION NUMBERS – ENGINE, LANDING GEAR AND BELLY FAIRING MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 9 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) STATION NUMBERS FUSELAGE

The STAtion number is the distance in centimeters of a cross-section from a reference point. The station/frame numbers shown agree with the section boundaries. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 10 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 STATION NUMBERS – FUSELAGE MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 11 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3)

STATION NUMBERS (continued) VERTICAL STABILIZER For the vertical stabilizer the reference station is Z=0 at the vertical Z-axis. Due to the fin tip extension, the A318 station numbers have changed. The new additional rib 12N is on the STA597. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 12 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 STATION NUMBERS – VERTICAL STABILIZER MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 13

SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) STATION NUMBERS (continued) HORIZONTAL STABILIZER, ENGINE AND WING For the horizontal stabilizer the reference station is y=0 at the A/C Y axis. For the wings, the reference station is the wing reference axis (WY). WY is located at 1868 mm (73. 54 in) from the A/C X axis. For the engines, station numbers are different depending on the version. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 14 SINGLE AISLE TECHNICAL TRAINING MANUAL

U3U06191 – U0O35M0 – UM01D1000000001 STATION NUMBERS – HORIZONTAL STABILIZER, ENGINE AND WING MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 15 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) ZONES NUMBERS There are 8 major zones for the A/C. Each major zone is identified by the first digit of a three digits number. The even numbers identify the zones on the RH side of the A/C, while odd numbers identify the zones on the LH side of the A/C. The sub-zone 320 identifies the vertical stabilizer.

U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 16 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 ZONES NUMBERS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 17 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) ZONES NUMBERS (continued) WING (UPPER SURFACE) AND HORIZONTAL STABILIZER The 500 numbers identify the LH wing zones, while the 600 numbers identify the RH wing zones.

The sub-zones 330 and 340 identify the LH and RH side of the horizontal stabilizer. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 18 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 ZONES NUMBERS – WING (UPPER SURFACE) AND HORIZONTAL STABILIZER MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 19 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3)

ZONES NUMBERS (continued) WING (LOWER SURFACE), BELLY FAIRING AND LANDING GEAR The sub-zone 710 identifies the NLG. The sub-zones 730 and 740 identify the LH and RH MLG. The sub-zone 190 indicates the belly fairing. 734 and 744 are the MLG door zone numbers. Access doors and panels are identified by the number of the zone in which the panel is installed followed by a two letter suffix. These two letters are used to indicate the doors and panels. The first letter indicates which access door or panel it is, starting from the reference axis (A=first, B=second, … G=seventh, etc… ). The second letter indicates the access door or panel location: – T=top (upper) surface, – B=bottom (lower) surface, – R=right side, – L=left side, – Z=internal, – F=floor panel, – W=sidewall panel, – C=ceiling panel. Here is an example of access panels on the left wing lower surface. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 20 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001

ZONES NUMBERS – WING (LOWER SURFACE), BELLY FAIRING AND LANDING GEAR MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 21 SINGLE AISLE TECHNICAL TRAINING MANUAL STRUCTURAL BREAKDOWN AND ZONING (3) ZONES NUMBERS (continued) NACELLE, PYLON, ENGINE AND DOOR The difference between the LH and RH pylon and nacelle is made with the ten digits of the zone number 400. The difference between the LH side and RH side is identified by the last digit (Tens digit: odd for he left and even for the right).

Within one engine, an odd zone number indicates the LH side and an even zone number indicates the RH side of the engine. The major zone 800 identifies the doors. U3U06191 – U0O35M0 – UM01D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 22 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D1000000001 ZONES NUMBERS – NACELLE, PYLON, ENGINE AND DOOR MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES STRUCTURAL BREAKDOWN AND ZONING (3) May 10, 2006 Page 23 SINGLE AISLE TECHNICAL TRAINING MANUAL

TOWING WITH NOSE GEAR FROM THE FRONT (2) TOWING WARNINGS AND CAUTIONS Obey the warning and cautions before, during and after to tow or pushback the A/C. U3U06191 – U0O35M0 – UM09D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 24 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM09D1000000001 TOWING – WARNINGS AND CAUTIONS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 25 SINGLE AISLE TECHNICAL TRAINING MANUAL TOWING WITH NOSE GEAR FROM THE FRONT (2)

TOWING (continued) TOWING WITH THE NOSE GEAR FROM THE FRONT This film describes how to push the A/C rearwards or tow the A/C forwards with the nose gear. The A/C may be towed or pushed back: – at maximum ramp weight, – with the engines shut down or running at idle. To begin the procedure, make sure: – that the safety devices are installed on the landing gears (L/G), – the wheel chocks are in place, – and check if the parking brake is ON. Do not tow the A/C if the dimension H is more than 300 mm (11. 8 in). If you do, you can cause damage to the internal centering cams of the nose landing gear (NLG).

Referring to your A/C maintenance manual, make sure that the A/C is stable. Let us suppose that this procedure has been correctly done. During this procedure, depending on the configuration you are in, the A/C needs to be energized either by using the APU, a specific ground cart, an engine running, or by using the tractor itself. Let us suppose that the A/C is already energized and the EIS start procedure done. Outside, on the nose wheel steering deactivation electrical-box, set the ground-towing control lever to the towing position and install the pin. In the cockpit, – on the upper ECAM page, the “Nose.

WHEEL STEERinG DISConnected” message comes into view on the memo page. – check on the Yellow brake-pressure triple-indicator that the accumulator pressure pointer is in the green range. We recommend pressurizing the yellow hydraulic system using the yellow electrical pump, thus, the braking system will be more efficient and safer. Now, we have to install the tow bar. MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES CAUTION: Caution: make sure that the tow bar has: – a damping system – a calibrated shear pin – two calibrated turn shear pins.

This is to prevent high loads causing damage to the L/G. Refer to your A/C maintenance manual for the calibration of these pins. On the NLG, install the tow bar on the tow fitting and connect the tow bar to the tractor. CAUTION: Caution: put the parking brake control switch in the off position before you tow or push back the A/C. This is to prevent high loads causing damage to the NLG. On the Yellow brake-pressure triple-indicator, the brakes pressure pointers go down. In the cockpit, set the lighting system: – set the exterior light navigation and logo switch to ON. at night, set the interior light dome switch to bright and if the anti-collision lighting is necessary for the local airport regulations or the airline procedures, set the exterior light beacon switch to ON. On the VHF system: – in order to communicate with the control tower during towing operations, release out the VHF pushbutton switch and select the control tower frequency on the radio management panel. – in order to communicate with the ground mechanics, on the audio control panel, set the interphone radio switch to the interphone position and release out the interphone reception pushbutton.

For safety reasons, a distance of 3 meters (10 ft) must be kept clear around the nose wheels, tow bar and tractor when the aircraft moves. Towing speed limitation depends on the position of the passenger/crew and cargo doors. For these speed limitations refer to your A/C maintenance manual. TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 26 U3U06191 – U0O35M0 – UM09D1000000001 SINGLE AISLE TECHNICAL TRAINING MANUAL The maximum permitted steering angle on each side of the A/C centerline is 95 degrees. When you use the front fittings to push the A/C rearwards with engine at idle this angle is limited to 40 degrees.

At this point, be sure that all warnings and cautions of your A/C maintenance manual procedure and previous precautions are applied. Now, the A/C can be towed slowly and smoothly. Two other persons have to monitor the wing tips during the towing operation and one person is required in the cockpit in order to operate the brakes. When you complete the towing operation, make sure that the nose wheels are aligned with the A/C centerline. Inform the cockpit to apply the parking brake, and check that the parking brake light is ON on the nose wheel steering deactivation electrical-box.

Put the wheel chocks in position. Disconnect the tow bar from the nose gear fittings. On the nose wheel steering deactivation electrical-box, remove the safety pin and set the ground-towing control lever to the normal position. At the same time, in the cockpit, on the ECAM memo display the message “N. WHEEL STEERG DISC” disappears. On the lighting system: – reset the exterior light beacon and navigation & logo switches to OFF. – reset the interior light dome switch to OFF. On the communication system: – cut the cockpit/control tower VHF link by pressing in the VHF pushbutton on the radio management panel. reset the interphone radio switch to the neutral position. Depressurize the yellow hydraulic system, do the EIS stop procedure and de-energize the A/C electrical circuits. U3U06191 – U0O35M0 – UM09D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 27 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM09D1000000001 TOWING – TOWING WITH THE NOSE GEAR FROM THE FRONT MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 28

SINGLE AISLE TECHNICAL TRAINING MANUAL This Page Intentionally Left Blank U3U06191 – U0O35M0 – UM09D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 29 SINGLE AISLE TECHNICAL TRAINING MANUAL TOWING WITH NOSE GEAR FROM THE FRONT (2) TAXIING AND ASSOCIATED PRECAUTIONS TURNING RADII The movement of the aircraft with its power on the ground is called taxi of the aircraft. During taxi of the aircraft, the minimum turning radii must be respected. U3U06191 – U0O35M0 – UM09D1000000001

MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 30 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM09D1000000001 TAXIING AND ASSOCIATED PRECAUTIONS – TURNING RADII MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 31 SINGLE AISLE TECHNICAL TRAINING MANUAL TOWING WITH NOSE GEAR FROM THE FRONT (2) TAXIING AND ASSOCIATED PRECAUTIONS (continued) DANGER AREAS Safety precautions must be taken to avoid danger from engine suction and exhaust areas.

Access to the engine is only allowed through the entry corridor. Note that the entry corridor must be closed for wind directions greater than 90?. There is no safe access corridor when the engine is running above minimum idle. Depending on the distance from the running engine and on its power setting, it is necessary to wear ear protection and to respect the maximum time exposure. U3U06191 – U0O35M0 – UM09D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 32 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM09D1000000001

TAXIING AND ASSOCIATED PRECAUTIONS – DANGER AREAS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES TOWING WITH NOSE GEAR FROM THE FRONT (2) May 10, 2006 Page 33 SINGLE AISLE TECHNICAL TRAINING MANUAL PARKING AND MOORING (2) GENERAL This module covers the following subjects of the aircraft: – parking, not more than 2 days, – storage, – and mooring of the landing gears. The module is destined to cover the entire Single Aisle Airbus family, which includes the A318, A319, A320 and A321 airplanes. – Open the cockpit and cabin window shades. Make sure that the sliding windows are closed. Installation of the Protection Equipment: Protect all the probes, the engines and the APU with adapted protection equipment. – On the overhead panel 25VU, on the CABIN PRESS section, push the DITCHING pushbutton switch to close the ventilation skin valves and the outflow valves. PARKING (NOT MORE THAN 2 DAYS) This section gives the procedure to park the aircraft in standard weather conditions but: – if the aircraft is parked in high wind conditions, a check of the aircraft stability is needed, and moor the aircraft if necessary, – if the aircraft is parked in cold weather conditions, do the cold weather maintenance procedures.

PARKING PROCEDURE To park the aircraft follow these tasks: – If necessary, clean the aircraft. – Park the aircraft on a flat surface. Make sure that the wheels of the nose landing gear are on the aircraft axis and the aircraft points into the wind. – Install the safety devices on the landing gears. – Make sure that the flight control surfaces are retracted. – Put the wheel chocks in position: – for the NLG, in front of and behind the wheels, – for the MLG, in front of and behind wheels. – Ground the aircraft. – If necessary refuel the fuel tanks to 30% minimum of their total capacity. Drain water from all the fuel tanks. MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES PARKING AND MOORING (2) May 10, 2006 Page 34 U3U06191 – U0O35M0 – UM10D1000000001 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM10D1000000001 GENERAL & PARKING (NOT MORE THAN 2 DAYS) MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES PARKING AND MOORING (2) May 10, 2006 Page 35 SINGLE AISLE TECHNICAL TRAINING MANUAL PARKING AND MOORING (2) STORAGE PROCEDURE Certain maintenance tasks must be performed to prepare the aircraft for storage. See AMM.

During the storage period, periodic ground checks must be performed. See AMM. Certain tasks must be performed to return the aircraft to operation after the storage. See AMM. U3U06191 – U0O35M0 – UM10D1000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES PARKING AND MOORING (2) May 10, 2006 Page 36 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM10D1000000001 STORAGE PROCEDURE MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES PARKING AND MOORING (2) May 10, 2006 Page 37 SINGLE AISLE TECHNICAL TRAINING MANUAL PARKING AND MOORING (2) MOORING OF THE AIRCRAFT

The purpose of mooring is to prevent damage to the aircraft on the ground in high wind conditions. For wind speeds less than 50 kts: – mooring is not necessary if the aircraft configuration is in the limits given in chapter 05-57-00. If the aircraft points into the wind and wind speed is: – between 50 and 70 Kts, moor the aircraft at the NLG, – more than 70 Kts, moor the aircraft at the NLG and MLG. If the aircraft does not point into the wind or the direction of the wind is not stable: – for wind speeds or gusts more than 50 Kts, moor the aircraft at the NLG and the MLG. U3U06191 – U0O35M0 – UM10D1000000001

MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES PARKING AND MOORING (2) May 10, 2006 Page 38 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM10D1000000001 MOORING OF THE AIRCRAFT MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES PARKING AND MOORING (2) May 10, 2006 Page 39 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) PRESENTATION This film presents the A321 outside safety inspection and cockpit Check-List (CL) to be performed before powering the A/C for maintenance purposes. Various main stations have been defined. The inspection starts with the nose tation. First verify that the NLG chocks are in place. Then, observe that the NLG doors are closed. Make sure that the NLG safety pin is installed. The NLG steering pin must be as required. Finally, verify that the A/C is electrically grounded. The second step consists of inspecting the right MLG. Start by checking that the MLG door is closed. Then, verify that the MLG safety sleeve is installed. Lastly, observe that the MLG chocks are in place. Let us continue with the right engine station, the first thing to do is to make sure that the engine right side access doors are secured. The same must be done for the left side.

Check that the engine fan cowls and thrust reverser cowls are secured. The right wing is the 4th station. Observe the position of the slats and then, the flaps. The spoilers must be retracted. Then move to the left wing station. Here again observe the position of the flaps and then, the slats. Although make sure that the spoilers are retracted. The next step is the left engine station. Check that the engine right side access doors are secured. Then pass around the engine to verify that the left side access doors are secured. Make sure that the engine fan cowls and thrust reverser cowls are secured. Proceed with the left MLG station.

The Ram Air Turbine (RAT) safety device must be in the stowed position. Continue by checking that the MLG door is closed and that the MLG safety sleeve is installed. Before moving on, observe that the MLG chocks are in place. In the A/C area station you have to make sure that the A/C area is clean and clear of tools and any other items. Now you have to check the 9th station: the external power receptacle. Verify that the external power is connected and available. Finally enter the cockpit for the last station. Start by checking the rear and the overhead circuit breaker, then have a look to the emergency equipment.

This consists in: verifying that the MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES U3U06191 – U0O35M0 – UM01D4000000001 escape ropes are present, observing that the fire extinguisher is in position, making sure that the cockpit is equipped with smoke hoods, checking that the fire protective gloves are present, ensuring the crash axe is in position, checking that the cockpit is equipped with life vest, verifying that the oxygen masks are present, observing that the flash lights are in position. You must then make sure that the wipers are off. BATtery 1 and 2 P/BSW must be off and their voltage should be about 25 volts.

Proceed by setting the BAT1 P/BSW to AUTO. Then, set the BAT2 P/BSW to AUTO, check that the right hand dome light is on. Verify that the speed brake handle is in the RETract disarm position. If the speed brake handle disagrees with the surface position maintenance action is due. On the center pedestal make sure that the thrust levers are in the idle position. Engine master switches 1 and 2 must be in the OFF position and the engine ignition mode selector in the NORMal position. Observe that the flap handle is set according to surface position. If engine reverse cowls have to be opened for maintenance action, the slats must to be retracted.

Still on the center pedestal, check that the radar is off, also verify that the ATC transponder is off. Make sure that the gravity gear extension crank handle is in the reset stowed position. On the instrument panel observe that the three green triangles on the LanDinG GEAR panel are on. The control safety check list should now have been accomplished. On the overhead panel set the EXTernal PoWeR P/BSW to ON, also set the GENerator 1 P/BSW to on and the GEN2 P/SW to ON. Scan and check that no amber lights are on except GEN1 and 2 FAULT light on panel 44VU. The GALY & CAB P/BSW should be as required.

Finally verify that there is no light on the VENTilation panel. The A/C is now ready for maintenance. NOTE: This film shows an A321 but the procedure is also valid for A318, A319 and A320 aircrafts. MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 40 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 PRESENTATION MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 41 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) STEP BY STEP The following topics develop step by step the previous film presentation.

NOSE STATION AND EXTERNAL POWER RECEPTACLE To the station 1, in first, verify that the NLG chocks are in place. Then, observe that the NLG doors are closed. Make sure that the NLG safety pin is installed. The steering pin must be as required. Finally, verify that the A/C is electrically grounded. NOTE: Note: The A/C can also be grounded from the MLG. For the station 9, verify that the external power is connected and available. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 42 SINGLE AISLE TECHNICAL TRAINING MANUAL

U3U06191 – U0O35M0 – UM01D4000000001 STEP BY STEP & NOSE STATION AND EXTERNAL POWER RECEPTACLE MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 43 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) RIGHT AND LEFT MLG STATION The station 2 and 7 consist of inspecting the Right (R) and Left (L) MLG. Start by checking that the MLG door is closed. Then, verify that the MLG safety sleeve is installed. Finally, observe that the MLG chocks are in place. To the left station, the Ram Air Turbine (RAT) stowed position safety device must be installed.

U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 44 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 RIGHT AND LEFT MLG STATION MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 45 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) RIGHT AND LEFT ENGINE STATION RIGHT AND LEFT ENGINE SIDE ACCESS DOORS On station 3, the first thing to do is to make sure that the engine right and left side access doors are secured.

The same must be done on station 6. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 46 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 RIGHT AND LEFT ENGINE STATION – RIGHT AND LEFT ENGINE SIDE ACCESS DOORS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 47 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3)

RIGHT AND LEFT ENGINE STATION (continued) ENGINE FAN COWLS AND THRUST REVERSER COWLS Check that the engine fan cowls and thrust reverser cowls are secured. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 48 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 RIGHT AND LEFT ENGINE STATION – ENGINE FAN COWLS AND THRUST REVERSER COWLS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 49 SINGLE AISLE TECHNICAL TRAINING MANUAL

MAINTENANCE EXTERNAL VISIT (3) RIGHT AND LEFT WING STATION The R and L wing are the 4 and 5 stations. Confirm the position of the slats and then, the flaps. The spoilers must be retracted. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 50 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 RIGHT AND LEFT WING STATION MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 51 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3)

AIRCRAFT AREA In the A/C area station 8, you have to make sure that the A/C area is clean and clear of tools, other items and FOD. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 52 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 AIRCRAFT AREA MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 53 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) COCKPIT STATION REAR AND OVERHEAD C/B PANELS

Start by checking that the rear C/Bs and the overhead C/Bs are in closed position. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 54 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 COCKPIT STATION – REAR AND OVERHEAD C/B PANELS MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 55 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) COCKPIT STATION (continued) EMERGENCY EQUIPMENT

Then, have a look the emergency equipment. This consists in verifying that the escape ropes are present, observing that the fire extinguisher is in position, making sure that the cockpit is equipped with smoke hoods, checking that the fire protective gloves are present, ensuring that the crash axe is in position, checking that the cockpit is equipped with life vests, verifying that the oxygen masks are present and observing that the flash lights are in position. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3)

May 10, 2006 Page 56 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 COCKPIT STATION – EMERGENCY EQUIPMENT MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 57 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) COCKPIT STATION (continued) PEDESTAL PANEL CHECK LIST On the center pedestal, verify that the speed brake handle is in the retract/disarm position. If the speed brake handle disagrees with the surface position, maintenance action is due. Make sure that the thrust levers are in the IDLE position.

ENG MASTER SWs 1 and 2 must be in the OFF position and the engine ignition mode selector in the NORMal position. Observe that the flap handle is set according to surface position. If engine reverser cowls have to be opened for maintenance action, the slats must be retracted. Check that the radar is off. Also, verify that the Air Traffic Control (ATC) transponder is off. Make sure that the gravity gear extension handle is in the reset and stowed position. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 58

SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 COCKPIT STATION – PEDESTAL PANEL CHECK LIST MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 59 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) COCKPIT STATION (continued) OVERHEAD PANEL CHECK LIST AND A/C POWER SUPPLY You must then make sure that the wipers are off. BATteries 1 & 2 P/BSWs must be OFF and the voltage should be about 25 volts. Proceed by setting the BAT 1 P/BSW to AUTO position. Then, set the BAT 2 P/BSW to AUTO position.

NOTE: Note: if BAT voltage is below 25V, a charging cycle of 20 minutes is required. Check that the right hand dome light is on. A/C power supply procedure: On the overhead panel, set the EXTernal PoWeR P/BSW to ON. Also, set the GEN 1 P/BSW to ON and the GEN 2 P/BSW to ON. Scan and check that no amber lights are on except GENerator (GEN) 1 and GEN 2 FAULT lights on panel 35VU. The GALY & CAB P/BSW should be as required. Finally, verify there is no light on the ventilation panel. The A/C is now ready to maintenance. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES

MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 60 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 COCKPIT STATION – OVERHEAD PANEL CHECK LIST AND A/C POWER SUPPLY MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 61 SINGLE AISLE TECHNICAL TRAINING MANUAL MAINTENANCE EXTERNAL VISIT (3) COCKPIT STATION (continued) MAIN INSTRUMENT PANEL CHECK LIST AND CONTROLS SAFETY CHECK LIST COMPLETED On the instrument panel, make sure that the L/G lever is in the down position and confirm that the three green arrows on the L/G panel are on.

The control safety CL should now have been accomplished. U3U06191 – U0O35M0 – UM01D4000000001 MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 62 SINGLE AISLE TECHNICAL TRAINING MANUAL U3U06191 – U0O35M0 – UM01D4000000001 COCKPIT STATION – MAIN INSTRUMENT PANEL CHECK LIST AND CONTROLS SAFETY CHECK LIST COMPLETED MAINTENANCE COURSE – CAT A (V2500-A5/ME) AIRCRAFT GENERAL PRACTICES MAINTENANCE EXTERNAL VISIT (3) May 10, 2006 Page 63

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