# SDR UALA2013021200849

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2013
- Submitted: February 14, 2013
- Operation: Air carrier
- Aircraft: [N657UA](https://openairdocs.org/aircraft/N657UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27112
- Aircraft time: 86,148 hours, 13,675 cycles
- Engine: Pwa PW4060
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Malfunctioned
- Location: Apu Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013021200849

## Discrepancy

AT DEPARTURE, CREW REPORTS SMOKE IN CABIN.  FIRE DEPARTMENT FOUND NO HOT SPOTS.  TROUBLESHOOTING SMOKE IN CABIN CAUSED BY APU, NEED TO REPLACE RECIRCULATION FILTERS.

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