# SDR COMA0060406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2000
- Submitted: May 8, 2000
- Operation: Air carrier
- Aircraft: [N977CA](https://openairdocs.org/aircraft/N977CA), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7157
- Aircraft time: 8,282 hours, 8,375 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Apu
- Part number: 38004883
- Part serial: P138
- Condition: Overserviced
- Location: Apu Bay
- Part time: 9,981 hours, 15,743 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0060406

## Discrepancy

DURING DESCENT COCKPIT CREW SMELLED SMOKE AFTER TRANSFERRING THE PACKS TO THE APU.  APPROXIMATELY 30 SECONDS LATER RECEIVED A ''SMOKE TOILET'' CAUTION MESSAGE. LAV SMOKE ALARM SOUNDED FOR APPROXIMATELY THREE MINUTES UNTIL THE GRH PROCEDURE WAS ACCOMPLISHED.  FOUND APU OVER SERVICED BY APPROXIMATELY 1/2 QUART.  ADJUSTED APU OIL SUMP LEVEL TO PROPER AMOUNT.  GROUND RAN APU, OPS CHECK GOOD.

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