Continuous display of TERR STBY memo on EWD
TASK 34-48-00-810-846-A
Continuous display of TERR STBY memo on EWD
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 34-48-00-740-102-A
Subtask 34-48-00-810-109-A
[Rev.8 from Aug 2018]
2026.04.04 04:33:17 UTC
Continuous display of TERR STBY memo on EWD
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 315400 | |
| AMM 31-55-34-000-001 | Removal of the SDAC |
| AMM 31-55-34-400-001 | Installation of the SDAC |
| ASM 344800 | |
| AMM 34-48-34-000-001 | Removal of the GPWC |
| AMM 34-48-34-400-001 | Installation of the GPWC |
Subtask 34-48-00-740-102-A
A. Test
Not applicable, you cannot confirm this fault on the ground.
4. Fault IsolationNot applicable, you cannot confirm this fault on the ground.
Subtask 34-48-00-810-109-A
A. If TERR STBY memo is continuously display on EWD:
- replace the GPWC [1WZ] AMM 34-48-34-000-001 and AMM 34-48-34-400-001.
- replace the SDAC-1 [1WV1] AMM 31-55-34-000-001 and AMM 31-55-34-400-001.
- replace the SDAC-2 [1WV2] AMM 31-55-34-000-001 and AMM 31-55-34-400-001.
- do a check and repair the wiring from GPWC to SDAC1 and SDAC2 :
ASM 344800 and ASM 315400