Cargo-Compartment Smoke Warning(s) without Fire A320
1. Possible Causes:
-CIDS-SDF software
-oil leak of the APU
-environmental conditions such as humidity, dust, etc.
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
| Ref. 05-50-00-810-831-A | Identification of the Cause for Cabin Odor, Smoke or Fume |
| Ref. AMM 12-33-21-618-001 | Pre-conditioning through the LP Ground Connection |
| Ref. AMM 26-16-00-910-801 | Report the Cargo-Compartment Smoke Warning Event |
3. Fault Confirmation
SUBTASK 26-16-00-710-054-A
A. Test
(1) Some CIDS-SDF software can cause a spurious fault message for the smoke alarm to occur (Refer to TFU 23.73.00.101).
(2) Make sure that:
(a) There was no real smoke condition in the related area.
(b) There was no other cause, such as smoke source external to the aircraft, which could cause the smoke warning.
(c) The APU (Auxiliary Power Unit) operated during the smoke warning.
(3) Do the pre-conditioning of the air conditioning system with the APU Ref. AMM 12-33-21-618-001.
4. Fault Isolation
SUBTASK 26-16-00-810-059-A
A. If you smell fumes in the cabin during the pre-conditioning with the APU:
(1) Do the troubleshooting procedure for cabin odors or smoke Ref. TSM TASK 05-50-00-810-831.
NOTE: This fault can be caused by a smoke event because of an oil leak of the APU or environmental conditions such as humidity, dust, etc.
SUBTASK 26-16-00-810-135-A
B. Airbus recommends that you record the cargo-compartment smoke warning event in the report form Ref. AMM 26-16-00-910-801.
5. Close-up
SUBTASK 26-16-00-860-054-A
A. Put the aircraft back to its initial configuration.
