# SDR DXTA2014112105929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2014
- Submitted: November 24, 2014
- Operation: Air carrier
- Aircraft: [N553QS](https://openairdocs.org/aircraft/N553QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605372
- Aircraft time: 6,810 hours, 5,423 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38007221
- Part serial: P271
- Condition: Smoke
- Part time: 6,727 hours, 10,491 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2014112105929

## Discrepancy

CABIN FILLED WITH SMOKE WHEN APU BLEED AIR TURNED ON.  R & R THE APU IAW MM 49-10-00.  OPS & LEAK CHECKED GOOD.

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