# SDR AALA2009032900003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2009
- Submitted: July 10, 2009
- Operation: Air carrier
- Aircraft: [N580AA](https://openairdocs.org/aircraft/N580AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 53157
- Aircraft time: 52,228 hours, 26,658 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Inlet
- Condition: Dirty
- Location: Apu
- 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/AALA2009032900003

## Discrepancy

ATL - CREW REPORTED SMOKE IN CABIN.  EMERGENCY DECLARED RETURNED ATL WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  CLEANED AUXILIARY POWER UNIT INLET.  ACCOMPLISHED BURNOUT OF HIGH PRESSURE PNEUMATIC DUCTING.  SYSTEM GROUND CHECK NORMAL OPERATION.

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