W DOC AIRBUS | AMM A320F

Preparation of the A/C for flight without NLG Main Doors Assy

TASK 32-22-00-040-001-A
Preparation of the A/C for flight without NLG Main Doors Assy

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
WARNING: MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM. UNWANTED MOVEMENT OF HYDRAULICALLY OPERATED ITEMS CAN CAUSE SERIOUS INJURY AND/OR DAMAGE.
ZONE: 120
ZONE: 713
ZONE: 714
1. Reason for the Job
CDL 52-09
Nose Landing Gear Main Door (713, 714)
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
1
PLACARD
No specific
AR
SAFETY BARRIER(S)
98L12003001000
1
HARNESS,SAFETY
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
120
AVIONICS COMPARTMENT
713
MAIN DOORS
714
MAIN DOORS
824
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 32-22-11-000-001-A
Removal of the Main Door Assy
TASK 32-22-13-000-001-A
Removal of the NLG Aft Door-Assembly
TASK 32-22-16-000-001-A
Removal of the Rotating Rod
TASK 32-31-41-000-001-A
Removal of the NLG main door control rod
TASK 52-41-00-010-002-A
Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A
Close the Avionics Compartment Doors after Access
F NLG Main-Door Assembly
F L/G VMO/MMO SWITCH
3. Job Set-up
Subtask 32-22-00-010-056-A
A. Get Access
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
WARNING: BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
   (2) Put on and attach the 98L12003001000 HARNESS,SAFETY before you start work in the work area.
   (3) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE below rear avionic compartment-door 824.
   (4) Open rear avionic compartment-door 824 (Ref. AMM TASK 52-41-00-010-002).
Subtask 32-22-00-860-061-A
DELETED
4. Procedure
Subtask 32-22-00-980-052-A
A. Manual Operation of the L/G DOWN VMO/MMO SELECTION Switch
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (1) In the rear avionic compartment, on panel 188VU:
F L/G VMO/MMO SWITCH
     (a) Unlock the safety cover of the L/G DOWN VMO/MMO SELECTION switch (22FP).
     (b) Cut, remove and discard the lockwire from the safety cover of the L/G DOWN VMO/MMO SELECTION switch (22FP).
     (c) Set the L/G DOWN VMO/MMO SELECTION switch (22FP) to the L/G DOWN position.
Subtask 32-22-00-020-054-A
B. Removal of the NLG Main Doors and Attaching Parts
   (1) Remove the two main doors (Ref. AMM TASK 32-22-11-000-001).
   (2) Remove the two aft doors (Ref. AMM TASK 32-22-13-000-001).
   (3) Remove the NLG main door control rods (Ref. AMM TASK 32-31-41-000-001).
   (4) Remove the two rotating rods (Ref. AMM TASK 32-22-16-000-001).
   (5) Retain all the attaching parts from the doors and the rods.
   (6) Disconnect and retain all the bonding straps.
Subtask 32-22-00-860-062-B
C. ECAM Messages
NOTE: ECAM messages can come into view during flight without NLG main doors. These messages can also be shown on the Post Flight Report (PFR) and used during maintenance procedures.
   (1) You must ignore the messages that follow (for the applicable missing NLG door) during this maintenance procedure:
     (a) With the landing-gear normal control-lever (6GA) in DOWN position (landing gear extended).
       1 ECAM WHEEL page indications:
  • Door position hinge-bar - DOOR IN TRANSIT.
  • Landing gear downlocked - Green triangles.
       2 ECAM warnings (flight phases 2, 6 and 7):
  • L/G DOORS NOT CLOSED
  • L/G LGCIU 1 FAULT
    or
  • L/G LGCIU 2 FAULT
    or
  • L/G LGCIU 1 + 2 FAULT.
NOTE: The LGCIU warnings, will only occur if LGCIU 1 and /or 2 are set above 70 kts (or if a power interrupt occurs more than 70 kts).
5. Close-up
Subtask 32-22-00-410-053-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close rear avionic compartment-door 824 (Ref. AMM TASK 52-41-00-410-002).
Subtask 32-22-00-860-063-A
B. Put the aircraft back to the serviceable condition.
   (1) Remove the access platform(s).
   (2) Remove the SAFETY BARRIERS.
   (3) Put an applicable PLACARD in position in the cockpit (refer to your standard practices and local regulations).
   (4) Make an entry in the logbook.
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 00:42:58 UTC
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