Outflow Valve does not close in the Ditching Configuration

TASK 21-31-00-810-822-A
Outflow Valve does not close in the Ditching Configuration

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 21-31-00-710-004	Operational Test of the Outflow Valve Closing in Ditching Configuration
ASM 213101

3. Fault Confirmation
Subtask 21-31-00-710-092-A

A. Do the operational test of the outflow valve closing in the ditching configuration AMM 21-31-00-710-004.

4. Fault Isolation
Subtask 21-31-00-810-125-A

A. If the outflow valve does not close:

(1) If the fault continues:

do a check and repair the wiring between:
.the DITCHING pushbutton switch (13HL) and the CPC 1 (11HL) AB/4B,
.the DITCHING pushbutton switch (13HL) and the CPC 2 (12HL) AB/4B,
.the DITCHING pushbutton switch (13HL) and the GND.

Subtask 21-31-00-710-093-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:24:42 UTC