# SDR UALA2012122707415

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2012
- Submitted: January 14, 2013
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 66,397 hours, 9,274 cycles
- Engine: Pwa PW40903
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38005501
- Part serial: P1365331
- 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/UALA2012122707415

## Discrepancy

APU MAKES BEARING WHINE NOISE.  OIL SMELL IN CABIN.  SHUT IT DOWN AT GATE.  TOMC CONTACTED, APU CONSIDERED INOPERATIVE FOR FURTHER T-S. INF-  :WORK WITH LM5169. INF- :REMOVED APU PER MM. APU HRS READS=18743 AND CYCLE COUNTER READS=15277. RPLC'D APU.

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