Operational Test of the Logo Lights

TASK 33-47-00-710-002-A
Operational Test of the Logo Lights

WARNING: MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.

FIN: 3LY
FIN: 4LY

1. Reason for the Job
To make sure that the logo lights operate correctly.
2. Job Set-up Information
A. Referenced Information

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 27-50-00-866-008-A	Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01	Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 31-32-00-860-009-A	Procedure to Get Access to the SYSTEM REPORT/TEST/L/G Page
TASK 32-00-00-860-001-A	Flight Configuration Precautions with Electrical Power
TASK 32-00-00-860-001-A-01	Flight Configuration Precautions without Electrical Power
TASK 32-00-00-860-002-A	Ground Configuration after Flight Configuration with Electrical Power
TASK 32-00-00-860-002-A-01	Ground Configuration after Flight Configuration without Electrical Power

3. Job Set-up
Subtask 33-47-00-860-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Do the procedure of the flight configuration precautions (Ref. AMM TASK 32-00-00-860-001).
(3) Get access to the L/G page on the MCDU (Ref. AMM TASK 31-32-00-860-009).

Subtask 33-47-00-865-051-A

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	LIGHTING/LOGO/L	2LY	V03
122VU	LIGHTING/LOGO/R	1LY	V02
122VU	LIGHTING/EXT LT/TAXI AND TAKE OFF/CTL	2LR	W09

4. Procedure
Subtask 33-47-00-710-050-C

A. Do this test.

ACTION	RESULT
1.On the overhead panel 25VU:	On the Trimmable Horizontal Stabilizer (THS):
set the NAV/LOGO control switch 3LA to the '2' position.	the logo lights 3LY and 4LY come on.
2.In the cockpit, on the MCDU:	On the MCDU:
push the LGCIU2 line select key.	the LGCIU2 MENU page comes on.
push the NEXT PAGE pushbutton	the LANDING GEAR SIMULATION page comes on.
push the LANDING GEAR SIMULATION line select key.	the LANDING GEAR SIMULATION menu comes on.
push the LH+RH line select key.	the LH+RH menu page comes on.
push the EXTENDED line select key.	On the THS: the logo lights 3LY and 4LY go off.
3.Put the slat/flap control lever to position '2' to extend the flaps (Ref. AMM TASK 27-50-00-866-008)	On the THS: the logo lights 3LY and 4LY come on.
4.On the overhead panel 25VU:	On the THS:
set the NAV/LOGO control switch 3LA to the '1' position.	the logo lights 3LY and 4LY remain on.
5.Put the slat/flap control lever to position '0' to retract the flaps (Ref. AMM TASK 27-50-00-866-009)	On the THS: the logo lights 3LY and 4LY go off.
6.In the cockpit, on the MCDU: push the RETURN line select key, until the SYSTEM REPORT/TEST menu page comes on.	On the THS: the logo lights 3LY and 4LY come on.
7.On the overhead panel 25VU:	On the THS:
set the NAV/LOGO control switch 3LA to the OFF position.	the logo lights 3LY and 4LY go off.

5. Close-up
Subtask 33-47-00-860-051-A

A. Put the aircraft back to its initial configuration.
(1) On the MCDU, put the BRT switch to OFF.
(2) Do the procedure of ground configuration after flight configuration (Ref. AMM TASK 32-00-00-860-002).
(3) De- energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(4) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.04.01 04:04:06 UTC