Lavatory Smoke-Detector Contamination

TASK 26-17-00-810-816-A
Lavatory Smoke-Detector Contamination

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 26-17-00-710-001	Operational Test of the Lavatory Smoke-Detection System
AMM 26-17-15-000-001	Removal of the Lavatory Smoke Detector
AMM 26-17-15-000-008	Removal of the Lavatory Smoke Detector
AMM 26-17-15-000-802	Removal of the Smoke Detector of Lavatory A
AMM 26-17-15-000-808	Removal of the Smoke Detector of Lavatory DS/ES/HS
AMM 26-17-15-000-809	Removal of the Smoke Detector of Lavatory WC/FS/GS
AMM 26-17-15-400-001	Installation of the Lavatory Smoke Detector
AMM 26-17-15-400-007	Installation of the Lavatory Smoke Detector
AMM 26-17-15-400-802	Installation of the Smoke Detector of Lavatory A
AMM 26-17-15-400-808	Installation of the Smoke Detector of Lavatory DS/ES/HS
AMM 26-17-15-400-809	Installation of the Smoke Detector of Lavatory WC/FS/GS

3. Fault Confirmation
Subtask 26-17-00-710-077-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the operational test of the lavatory smoke-detection system AMM 26-17-00-710-001.

4. Fault Isolation
Subtask 26-17-00-810-103-A ** ON A/C NOT FOR ALL

A. If the test gives a different maintenance message:

Subtask 26-17-00-810-110-A ** ON A/C NOT FOR ALL

B. If the test gives the maintenance message SMOKE DET LAV X CONTAMINATION (X = location of the related lavatory)

Subtask 26-17-00-810-161-E ** ON A/C NOT FOR ALL

C. If the test gives the maintenance message SMOKE DET LAV X CONTAMINATION (X = location of the related lavatory)

Subtask 26-17-00-810-161-F ** ON A/C NOT FOR ALL

C. If the test gives the maintenance message SMOKE DET LAV X CONTAMINATION (X = location of the related lavatory)

Subtask 26-17-00-710-083-A ** ON A/C NOT FOR ALL

D. Do the test as given in the Para. 3.

5. Close-up
Subtask 26-17-00-860-062-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.

[Rev.8 from Aug 2018] 2026.04.04 04:27:21 UTC