W DOC AIRBUS | AMM A320F

Removal of the Logo Light

TASK 33-47-11-000-002-A
Removal of the Logo Light

WARNING: ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE ENVIRONMENT.
WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING: PUT WARNING NOTICES IN THE COCKPIT TO TELL PERSONS NOT TO OPERATE THE FLIGHT CONTROLS. THE MOVEMENT OF THE TRIMMABLE HORIZONTAL STABILIZER (THS) CAN CAUSE INJURY TO PERSONS.
NOTE: The procedure is the same for the two logo lights.
ZONE: 334
ZONE: 344
FIN: 3LY
FIN: 4LY
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 5M (16 FT)
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
98D27403500000
1
PITCH TRIM CONTROL LOCKING
98D27903500000
1
PIN-SIDE STICK LOCKING
98L12003001000
AR
HARNESS,SAFETY
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
334
THS TRAILING EDGE
344
THS TRAILING EDGE
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A
Depressurize the Yellow Hydraulic System
TASK 29-10-00-864-003-A
Depressurize the Blue Hydraulic System
F Logo Light 3LY/4LY
F Logo Light 3LY/4LY for GLS LEDs-Light Unit-Technology
3. Job Set-up
Subtask 33-47-11-860-067-A
A. Aircraft Maintenance Configuration
   (1) In the cockpit, on overhead control and indicating panel 25VU, make sure that the switch 3LA NAV & LOGO ON/OFF is in the OFF position.
   (2) Make sure that the aircraft electrical circuits are de-energized
(Ref. AMM TASK 24-41-00-862-002).
Subtask 33-47-11-865-059-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
122VULIGHTING/LOGO/L2LYV03
122VULIGHTING/LOGO/R1LYV02
Subtask 33-47-11-941-054-A
C. Safety Precautions
   (1) Depressurize the Green, Yellow and Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
   (2) Install the 98D27403500000 PITCH TRIM CONTROL LOCKING in the cockpit pedestal center.
   (3) Install the 98D27903500000 PIN-SIDE STICK LOCKING in the captain side sticks.
   (4) In the cockpit, on overhead control and indicating panel 25VU, put the WARNING NOTICE(S) in position to tell the persons not to operate the logo lights.
Subtask 33-47-11-010-051-A
D. Get Access
WARNING: YOU MUST PUT ON AND ATTACH A SAFETY HARNESS BEFORE YOU START WORK:
  • ON THE THS OR IN THE REAR FUSELAGE
  • ON TOP OF THE WINGS OR PYLONS.
WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
   (1) Put on and attach the HARNESS, SAFETY before you start work in the work area.
   (2) Put the ACCESS PLATFORM 5M (16 FT) in position at zone 334 for the left logo light and/or zone 344 for the right logo light.
4. Procedure
Subtask 33-47-11-020-057-A
A. Removal of the Logo Light
   (1) For Ground Based Augmentation System (GBAS) Landing System (GLS) filament-light technology:
F Logo Light 3LY/4LY
     (a) Remove the sealant around the frame assembly (2) and the spar box skin.
     (b) Remove the screws (1) from the frame assembly (2).
     (c) Remove the frame assembly (2) from the logo light housing (4).
     (d) Remove the screws (3) from the logo light housing (4) and then remove the logo light housing (4).
     (e) Disconnect the electrical connector (5).
     (f) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
     (g) Remove the screw (6), the washer (7) and the bonding lead (8) from the bottom of the logo light housing (4).
   (2) For GLS LEDs-light unit-technology:
F Logo Light 3LY/4LY for GLS LEDs-Light Unit-Technology
     (a) Remove the sealant around the lens assembly (1) and the spar box skin.
     (b) Remove the screws (2) from the lens assembly (1).
     (c) Remove the lens assembly (1) from the logo light housing (3).
     (d) Remove the screws (4) from the logo light housing (3) and then remove the logo light housing (3).
     (e) Disconnect the electrical connector (5).
     (f) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
     (g) Remove the screw (6) and the bonding lead (7) from the bottom of the logo light housing (3).
[Rev.10 from 2021] 2026.04.01 00:56:08 UTC
"Aviabrain" 2025