# SDR 2007UALA02656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2007
- Submitted: July 17, 2007
- Operation: Air carrier
- Aircraft: [N677UA](https://openairdocs.org/aircraft/N677UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30029
- Aircraft time: 20,445 hours, 5,234 cycles
- Engine: Pwa PW4052
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Cooler
- Condition: Failed
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA02656

## Discrepancy

APU FAILED DURING TAXI OUT WITH FAIL LIGHT ILLUMINATED.   [08-17-07]  REPLACED OIL COOLER RAN APU WITH FULL LOAD 35 MIN, AND NO AUTO SHUTDOWN. OPS CHECK NORMAL AT THIS TIME

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