# SDR REXA201101027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2011
- Submitted: December 29, 2011
- Operation: Air carrier
- Aircraft: [N8751D](https://openairdocs.org/aircraft/N8751D), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7751
- Aircraft time: 20,242 hours, 17,901 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Contaminated
- Location: Apu Bay
- 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/REXA201101027

## Discrepancy

AIR TURNBACK, EMERGENCY DECLARED.  SMOKE IN CABIN COCKPIT.  REMOVED AND REPLACED COALESCER BAG LT & RT IAW AMM 21-51-00. OPS CHECK NORMAL FOUND GLYCOL IN APU COOLING INLET, CLEANED RELATED DUCTS AND APU ENCLOSURE, RAN APU & PACKS NO DEFECTS NOTED AT THIS TIME PERFORMED ENGINE GROUND RUN IAW AMM 71-00-00 OPERATION NORMAL NO DEFECTS NOTED.

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