# SDR A6WA202301268706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2024
- Submitted: January 29, 2024
- Operation: Air carrier
- Aircraft: [N454AW](https://openairdocs.org/aircraft/N454AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7842
- Aircraft time: 40,543 hours, 39,512 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38004883
- Part serial: P1070
- Condition: Smoke
- Location: Aft
- Part time: 41,570 hours, 47,395 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA202301268706

## Discrepancy

SMOKE TOILET CAUTION MSG SHORTLY AFTER TAKE OFF. MSG DISAPPEARED 3 MINUTES LATER. C/W QRH.  ********AIRCRAFT REMOVED FROM SERVICE********* REF LP 338553-4 FOR CORRECTIVE ACTION.  SMOKE DETECTOR OPS CHECK       NORMAL IAW AMM 26-16-00.  REF WO 335707, APU R&R FOR CORRECTIVE ACTION.  REMOVED PLACARD AND      FROM MEL.

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