DOC AIRBUS | AMM A320FReplacement of the Lamp of the Logo Light
TASK 33-47-11-600-001-A
Replacement of the Lamp of the Logo Light
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 33-47-11-860-068-A
Subtask 33-47-11-942-054-A
[Rev.10 from 2021]
2026.04.01 00:56:07 UTC
Replacement of the Lamp 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.
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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
NOTE: The task is not applicable for lights with LED technology.
1. Reason for the JobSelf 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) |
| No specific | Torque wrench: range to between 0.28 and 0.22 m.daN (24.78 and 19.47 lbf.in )  | |
| 98D27403500000 | 1 | PITCH TRIM CONTROL LOCKING |
| 98D27903500000 | 1 | PIN-SIDE STICK LOCKING |
| 98L12003001000 | AR | HARNESS,SAFETY |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.04JAA3) | Top Coat Polyurethane_- - External Structure |
| (Material No.04JMD3) | Top Coat Polyurethane-- Decorative External Structure |
| (Material No.05RAB9) | Adhesive Film Tape-- Aluminium Foil - |
| (Material No.06ABA1) | Polysulfide Sealant-Fuel Tank Brushable - |
| (Material No.06ACB1) | Polysulfide Sealant-Low Density Multi Purpose Fillet - |
| (Material No.08ABC1) | Aqueous Cleaner-Aircraft Exterior Pressure Spraying - |
| (Material No.08BBE1) | Non Aqueous Cleaner-- Methyl Alcohol - |
| (Material No.14DAB1) | Release Agent-- Water Base - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 334 | THS TRAILING EDGE |
| 344 | THS TRAILING EDGE |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 6 | BEAM LAMP | AIPC 33-47-11-01-050 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| 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 |
| TASK 33-47-00-710-002-A | Operational Test of the Logo Lights |
Logo Light LampSubtask 33-47-11-860-068-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) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 33-47-11-865-050-A (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) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 33-47-11-941-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
| FOR FIN: 3LY (LOGO LIGHT) | |||
| 122VU | LIGHTING/LOGO/L | 2LY | V03 |
| FOR FIN: 4LY (LOGO LIGHT) | |||
| 122VU | LIGHTING/LOGO/R | 1LY | V02 |
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 CAPT side sticks.
(4) In the cockpit, on overhead control and indicating panel 25VU, put the WARNING NOTICE(S) in position to tell persons not to operate the logo lights.
Subtask 33-47-11-010-053-A (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 CAPT side sticks.
(4) In the cockpit, on overhead control and indicating panel 25VU, put the WARNING NOTICE(S) in position to tell persons not to operate the logo lights.
D. Get Access
(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. ProcedureWARNING:
YOU MUST PUT ON AND ATTACH A SAFETY HARNESS BEFORE YOU START WORK:
(1) Put on and attach the HARNESS, SAFETY before you start work in the work area.- ON THE THS OR IN THE REAR FUSELAGE
- ON TOP OF THE WINGS OR PYLONS.
(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.
NOTE: The procedure is the same for the two logo lights.
Subtask 33-47-11-020-052-A A. Removal of the Lamp
(2) Remove the countersunk screws (1) around the frame assembly (2).
(3) Remove the frame assembly (2) and the seal (3).
(4) Release the quick-release fasteners (5) and remove the attach ring (4).
(5) Remove the beam lamp (6) with the seal (8).
Subtask 33-47-11-020-053-A CAUTION:
DO NOT TOUCH THE LAMP GLASS WITH YOUR FINGERS.
THE OILS FROM YOUR SKIN WILL QUICKLY CAUSE DETERIORATION OF THE LAMP.
IF YOU ACCIDENTALLY TOUCH THE LAMP GLASS, CLEAN IT WITH A LINT-FREE CLOTH.
(1) Remove the sealant around the frame assembly (2) and the spar box skin. (2) Remove the countersunk screws (1) around the frame assembly (2).
(3) Remove the frame assembly (2) and the seal (3).
(4) Release the quick-release fasteners (5) and remove the attach ring (4).
(5) Remove the beam lamp (6) with the seal (8).
B. Disconnection of the Electrical Connectors
(1) Remove the screws (10) and disconnect the terminals of the electrical wires (11) from the electrical connector (7).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
Subtask 33-47-11-420-050-A Subtask 33-47-11-420-052-A (1) Remove the screws (10) and disconnect the terminals of the electrical wires (11) from the electrical connector (7).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
D. Installation of the Lamp
(1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Connect the terminals of the electrical wires (11) in the electrical connectors (7) of the beam lamp (6).
(4) Install the beam lamp (6) with the seal (8) and tighten it with the attach ring (4).
(5) Tighten the quick-release fasteners (5).
(6) Put the seal (3) in position on the logo light housing (9).
(7) Put the frame assy (2) in position on the seal (3).
(8) Install the screws (1) by wet sealant application of Polysulfide Sealant-Low Density Multi Purpose Fillet - (Material No.06ACB1) or Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) .
(9) TORQUE the screws (1) to between 0.28 and 0.22 m.daN (24.78 and 19.47 lbf.in ).
(10) Apply a fillet of Polysulfide Sealant-Low Density Multi Purpose Fillet - (Material No.06ACB1) or Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) between the frame assembly (2) contour and the spar box skin surface.
(a) If the cure time of the sealant is not sufficient before the flight, do the procedure that follows:
1 When the sealant is no longer tacky, apply Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) between the edge of the logo light assembly and the spar-box skin surface, as follows:
b Put a strip of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , of the applicable length, on the frame assembly (2) along the edge of the logo light assembly and the spar-box skin surface.
c Make an overlap with strips of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) around the frame assembly (2) to make sure that the surface is smooth. Make sure that the minimum overlap length of the applied Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) is 25 mm (1.0 in.).
d Make sure that the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) :
f If the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) is damaged, then:
h Clean the area around the logo-light glazing area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Methyl Alcohol - (Material No.08BBE1) or Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) .
i Make sure that the sealant is not damaged.
Subtask 33-47-11-370-050-A (1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Connect the terminals of the electrical wires (11) in the electrical connectors (7) of the beam lamp (6).
NOTE: Make sure that the terminals of the electrical wires (11) are correctly positioned in the electrical connectors (7).
(3) Install the screws (10) in the electrical connectors (7). (4) Install the beam lamp (6) with the seal (8) and tighten it with the attach ring (4).
(5) Tighten the quick-release fasteners (5).
(6) Put the seal (3) in position on the logo light housing (9).
(7) Put the frame assy (2) in position on the seal (3).
(8) Install the screws (1) by wet sealant application of Polysulfide Sealant-Low Density Multi Purpose Fillet - (Material No.06ACB1) or Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) .
(9) TORQUE the screws (1) to between 0.28 and 0.22 m.daN (24.78 and 19.47 lbf.in )
. (10) Apply a fillet of Polysulfide Sealant-Low Density Multi Purpose Fillet - (Material No.06ACB1) or Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) between the frame assembly (2) contour and the spar box skin surface.
(a) If the cure time of the sealant is not sufficient before the flight, do the procedure that follows:
1 When the sealant is no longer tacky, apply Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) between the edge of the logo light assembly and the spar-box skin surface, as follows:
CAUTION:
BEFORE YOU APPLY THE TAPE, MAKE SURE THAT THE SEALANT IS NOT TACKY. IF IT IS TACKY, THE TAPE CAN CAUSE DAMAGE TO THE SEALANT.
a Apply Release Agent-- Water Base - (Material No.14DAB1) on the sealant. This will help to remove the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) after the sealant is cured. b Put a strip of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , of the applicable length, on the frame assembly (2) along the edge of the logo light assembly and the spar-box skin surface.
c Make an overlap with strips of Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) around the frame assembly (2) to make sure that the surface is smooth. Make sure that the minimum overlap length of the applied Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) is 25 mm (1.0 in.).
d Make sure that the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) :
- Is not on the glazing section of the assembly
- Has no effect on the logo light transmission.
f If the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) is damaged, then:
- Replace the damaged Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) .
- Do an operational test of the logo lights (Ref. AMM TASK 33-47-00-710-002).
h Clean the area around the logo-light glazing area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-- Methyl Alcohol - (Material No.08BBE1) or Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) .
i Make sure that the sealant is not damaged.
E. Painting
(1) Apply Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) or Top Coat Polyurethane_- - External Structure (Material No.04JAA3) to the heads of the countersunk screws (1).
Subtask 33-47-11-865-063-A (1) Apply Top Coat Polyurethane-- Decorative External Structure (Material No.04JMD3) or Top Coat Polyurethane_- - External Structure (Material No.04JAA3) to the heads of the countersunk screws (1).
NOTE: It is recommended to do this step, but it is not necessary if there is no time for the paint to dry.
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 33-47-11-710-053-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 122VU | LIGHTING/LOGO/L | 2LY | V03 |
| 122VU | LIGHTING/LOGO/R | 1LY | V02 |
G. Test
(1) Do this test:
5. Close-up(1) Do this test:
| ACTION | RESULT |
|---|---|
| On overhead panel 25VU: set the NAV/LOGO control switch 3LA to the '2' position. | On the Trimmable Horizontal Stabilizer (THS): the logo lights 3LY and 4LY come on. |
| On overhead panel 25VU: set the NAV/LOGO control switch 3LA to the 'OFF' position. | On the Trimmable Horizontal Stabilizer (THS): the logo lights 3LY and 4LY go off. |
Subtask 33-47-11-942-054-A
A. Removal of the Equipment
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Make sure that the work area is clean and clear of tools and other items.
Subtask 33-47-11-081-051-A (1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(4) Make sure that the work area is clean and clear of tools and other items.
B. Removal of the Locking Devices
(1) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the cockpit pedestal center.
(2) Remove the 98D27903500000 PIN-SIDE STICK LOCKING from the CAPT side sticks.
Subtask 33-47-11-865-064-A (1) Remove the 98D27403500000 PITCH TRIM CONTROL LOCKING from the cockpit pedestal center.
(2) Remove the 98D27903500000 PIN-SIDE STICK LOCKING from the CAPT side sticks.
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 33-47-11-860-069-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
D. Aircraft Maintenance Configuration
(1) Put the aircraft back to its initial configuration.
Subtask 33-47-11-862-054-A (1) Put the aircraft back to its initial configuration.