Reactivation of the Lavatory

TASK 26-17-00-440-801-A
Reactivation of the Lavatory

ZONE: 200

1. Reason for the Job
MMEL 26-17-01A
LAVATORY SMOKE DETECTION SYSTEM (FAA ONLY)
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. 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 26-17-00-861-058-A

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

4. Procedure
Subtask 26-17-00-440-050-A

A. Reactivation
(1) Do the trouble shooting of the lavatory smoke-detection system with the fault symptoms as entry into the Trouble Shooting Manual (TSM).
(2) Remove the placard LABEL - INOPERATIVE DO NOT ENTER from the related lavatory door.
(3) Unlock the related lavatory door.
(4) Remove the WARNING NOTICE(S).

5. Close-up
Subtask 26-17-00-862-059-A

A. Put the aircraft back to its initial configuration.
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:44:02 UTC