Reactivation of the Cabin NO SMOKING/FASTEN SEAT BELTS/RETURN TO SEAT (NS/FSB/RTS) or NO MOBILES/FASTEN SEAT BELTS/RETURN TO SEAT (NM/FSB/RTS) Signs

TASK 33-20-00-440-001-A
Reactivation of the Cabin NO SMOKING/FASTEN SEAT BELTS/RETURN TO SEAT (NS/FSB/RTS) or NO MOBILES/FASTEN SEAT BELTS/RETURN TO SEAT (NM/FSB/RTS) Signs

1. Reason for the Job
MMEL 33-20-02B
CABIN SIGNS (NO SMOKING/NO ELECTRONIC DEVICES/FASTEN SEAT BELT/RETURN TO SEAT)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	WARNING NOTICE(S)

B. 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)

3. Job Set-up
Subtask 33-20-00-861-052-A

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)

4. Procedure
Subtask 33-20-00-440-050-A

A. Reactivation of the Cabin NS/FSB/RTS Signs
(1) Remove the WARNING NOTICE(S) from the applicable passenger seats.
(2) Do the trouble shooting of the cabin NS/FSB/RTS signs that you deactivated using the Fault Symptom as entry into the TSM.
(3) Make a record of the reactivation in the aircraft technical logbook.

5. Close-up
Subtask 33-20-00-860-052-A

A. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)

[Rev.10 from 2021] 2026.04.01 00:53:12 UTC