Loss of the BLUE RSVR TEMP Input of the SDAC 1

TASK 31-54-00-810-859-A
Loss of the BLUE RSVR TEMP Input of the SDAC 1

1. Possible Causes

SDAC-1 [1WV1]
TEMP TRANSM SWITCH [2381GR]
wiring from the SDAC 1 (1WV1) to the Blue reservoir temperature transmitter (2381GR)

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 293301
AMM 29-33-11-000-002	Removal of the Temperature Transmitter
AMM 29-33-11-400-002	Installation of the Temperature Transmitter
AMM 31-50-00-710-001	Ground Scanning of the Central Warning System
AMM 31-55-34-000-001	Removal of the SDAC
AMM 31-55-34-400-001	Installation of the SDAC

3. Fault Confirmation
Subtask 31-54-00-710-154-A

A. Test
Do the ground scanning of the central warning systems AMM 31-50-00-710-001.

4. Fault Isolation
Subtask 31-54-00-810-108-A

A. If the test gives the maintenance message SDAC1 : B HYD TEMP XMTR 2381GR:

(1) If the fault continues:

(a) If the fault continues:

do a check and repair the wiring from the SDAC 1 (1WV1) to the Blue reservoir temperature transmitter (2381GR) from pins AB/11A, 11B to pins A/E, D , ASM 293301.

Subtask 31-54-00-710-155-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:30:27 UTC