AAP - No control of the CIDS cabin systems
TASK 23-73-00-810-868-A
AAP - No control of the CIDS cabin systems
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 23-73-00-710-174-A ** ON A/C NOT FOR ALL
Subtask 23-73-00-810-409-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:54 UTC
AAP - No control of the CIDS cabin systems
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TSM TASK 23-73-00-810-878-A | AAP - Fault in the AAP |
| AMM 23-73-00-740-005 | BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS |
| ASM 237310 | |
| AMM 23-73-13-000-001 | Removal of the Aft/Additional Attendant Panel |
| AMM 23-73-13-400-001 | Installation of the Aft/Additional Attendant Panel |
| AMM 23-73-47-000-001 | Removal of the Decoder/Encoder Unit B (300RH) |
| AMM 23-73-47-400-001 | Installation of the Decoder/Encoder Unit B (300RH) |
Subtask 23-73-00-710-174-A ** ON A/C NOT FOR ALL
A. Test
(1) Do the CIDS BITE test through the CFDS.
(2) Use the AAP to control some system controlled through the AAP.
Subtask 23-73-00-710-174-B ** ON A/C NOT FOR ALL (1) Do the CIDS BITE test through the CFDS.
(2) Use the AAP to control some system controlled through the AAP.
A. Test
(1) Do the CIDS Interface and Power-Up Test through the CFDS AMM 23-73-00-740-005.
(2) Use the AAP to control some systems controlled through the AAP.
4. Fault Isolation(1) Do the CIDS Interface and Power-Up Test through the CFDS AMM 23-73-00-740-005.
(2) Use the AAP to control some systems controlled through the AAP.
Subtask 23-73-00-810-409-A
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
Subtask 23-73-00-810-410-A ** ON A/C NOT FOR ALL B. If the CFDS gives the maintenance message ATTND PNL AFT (126RH):
Subtask 23-73-00-810-411-A ** ON A/C NOT FOR ALL - do the trouble shooting for the CFDS maintenance message ATTND PNL AFT (126RH) (Ref. TSM TASK 23-73-00-810-878).
C. If the CFDS gives no ATTND PNL AFT fault message and you cannot control the AAP controlled system through the AAP:
Subtask 23-73-00-810-410-B ** ON A/C NOT FOR ALL - replace the AAP [126RH] AMM 23-73-13-000-001 and AMM 23-73-13-400-001.
- replace the DEU-B [300RH5] AMM 23-73-47-000-001 and AMM 23-73-47-400-001.
- check and repair if necessary the wiring between the:
DEU-B 300RH5 conn. C/11 and AAP 126RH conn. A/11,
DEU-B 300RH5 conn. C/9 and AAP 126RH conn. A/24,
DEU-B 300RH5 conn. C/13 and AAP 126RH conn. A/10,
DEU-B 300RH5 conn. C/45 and AAP 126RH conn. A/9,
ASM 237310.
D. If the CFDS gives the maintenance message AAP(126RH) <NAME>:
Subtask 23-73-00-810-411-B ** ON A/C NOT FOR ALL - do the trouble shooting for the CFDS maintenance message AAP(126RH) <NAME> (Ref. TSM TASK 23-73-00-810-878).
E. If the CFDS gives no AAP (126RH) <NAME> fault message and you cannot control the AAP controlled system through the AAP:
Subtask 23-73-00-710-222-A - replace the AAP [126RH] AMM 23-73-13-000-001 and AMM 23-73-13-400-001.
- replace the DECODER/ENCODER UNIT B [300RH7] AMM 23-73-47-000-001 and AMM 23-73-47-400-001.
F. Do the test given in Para. 3.A.