Failure of the Oxygen Flow Indicator

TASK 35-10-00-810-815-A
Failure of the Oxygen Flow Indicator

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 35-12-41-000-001	Removal of the Oxygen-Mask Stowage-Box
AMM 35-12-41-400-001	Installation of the Oxygen-Mask Stowage-Box
AMM 35-12-41-710-001	Operational Test of the Full Face/Quick Donning Oxygen Masks

3. Fault Confirmation
Subtask 35-10-00-710-062-A

A. Test
(1) Do the operational test of the full-face/quick-donning oxygen masks AMM 35-12-41-710-001.

4. Fault Isolation
Subtask 35-10-00-810-064-B

A. If during the operational test:
(1) The Captain oxygen flow-indicator is inoperative

replace the STOWAGE BOX-OXY MASK, CAPT [10RN1] AMM 35-12-41-000-001 and AMM 35-12-41-400-001.

(2) The First Officer oxygen flow-indicator is inoperative:

replace the STOWAGE BOX-OXY MASK, F/O [10RN2] AMM 35-12-41-000-001 and AMM 35-12-41-400-001.

(3) The Third Occupant oxygen flow-indicator is inoperative

replace the STOWAGE BOX-OXY MASK, 3RD OCCPNT [10RN3] AMM 35-12-41-000-001 and AMM 35-12-41-400-001.

(4) The Fourth Occupant oxygen flow-indicator is inoperative

replace the STOWAGE BOX-OXY MASK, 4TH OCCPNT [5774HM] AMM 35-12-41-000-001 and AMM 35-12-41-400-001.

Subtask 35-10-00-710-063-A

B. Test
(1) Do the test given in Para. 3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:33:36 UTC