# SDR UALA2009091502911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2009
- Submitted: September 17, 2009
- Operation: Air carrier
- Aircraft: [N641UA](https://openairdocs.org/aircraft/N641UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25091
- Aircraft time: 78,774 hours, 12,737 cycles
- Engine: Pwa PW4060
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 380029817
- Part serial: 61590331
- Condition: Malfunctioned
- Location: Apu Bay
- Stage of operation: TX
- 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/UALA2009091502911

## Discrepancy

TOWER REPORTED THICK SMOKE COMING FROM APU.  APU SUBSEQUENTLY AUTO SHUT DOWN.  REMOVED APU.  COMPLETED INSTALLATION OF NEW APU.

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