Loss of the R Yellow Brake Pressure-Transducer Input of the SDAC 2

TASK 31-54-00-810-821-A
Loss of the R Yellow Brake Pressure-Transducer Input of the SDAC 2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-50-00-710-001	Ground Scanning of the Central Warning System
AWM 315470
AMM 31-55-34-000-001	Removal of the SDAC
AMM 31-55-34-400-001	Installation of the SDAC

3. Fault Confirmation
Subtask 31-54-00-865-060-A

A. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	L/G/Y BRK/PRESS/IND	61GG	C10
** ON A/C NOT FOR ALL
49VU	ABCU &/Y BRK/PRESS IND	61GG	C10

Subtask 31-54-00-710-078-A

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

4. Fault Isolation
Subtask 31-54-00-810-070-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message SDAC2 : RH Y BRK PRESS XDCR 62GG:

(1) If the fault continues:

do a check and repair the wiring from the SDAC 2 (1WV2) pins AB/13G, 13H to the first terminal block , AWM 315470.

Subtask 31-54-00-810-070-B ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message SDAC2 : RH Y BRK PRESS XDCR 100GG:

(1) If the fault continues:

do a check and repair the wiring from the SDAC 2 (1WV2) pins AB/13G, 13H to the first terminal block , AWM 315470.

Subtask 31-54-00-710-079-A

B. Do the test given in Para. 3.B.

[Rev.8 from Aug 2018] 2026.04.04 04:30:24 UTC