Safetying of the Passenger Seat Backrest in the Taxi, Takeoff and Landing (TTOL) position

TASK 25-21-00-040-802-A
Safetying of the Passenger Seat Backrest in the Taxi, Takeoff and Landing (TTOL) position

ZONE: 230
ZONE: 240
ZONE: 250
ZONE: 260
Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
NO	YES	NO	0.3	0.3	1

1. Reason for the Job
MMEL 25-20-02B
PASSENGER SEAT BACKREST
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
230	FWD PASSENGER COMPARTMENT
240	MID PASSENGER COMPARTMENT
250	AFT PASSENGER COMPARTMENT
260	AFT CABIN UTILITY AREA

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power

3. Job Set-up
Subtask 25-21-00-860-062-A

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

4. Procedure
Subtask 25-21-00-040-051-A

A. Deactivation of a Passenger Seat
(1) Safety the backrest of the related seat in the TTOL position.
(2) Put a WARNING NOTICE(S) in position to tell persons not to use the seat.

Subtask 25-21-00-560-051-A

B. Aircraft Maintenance Configuration
(1) Make an entry in the logbook.
(2) Remove all the fixtures, tools, test and support equipment used during this procedure.
(3) Make sure that the work area is clean and clear of tools and other items.

5. Close-up
Subtask 25-21-00-860-063-A

A. Aircraft Maintenance Configuration
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:30:12 UTC