# SDR UALA2013010300034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2013
- Submitted: February 1, 2013
- Operation: Air carrier
- Aircraft: N543UA
- Make and model: Boeing 757222
- Aircraft serial: 25698
- Aircraft time: 80,644 hours, 23,418 cycles
- Engine: Pwa PW2037
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: B-Nut
- Condition: Loose
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013010300034

## Discrepancy

APU AUTO SHUTDOWN.  FOUND LOOSE B-NUT.  SECURED FITTING.  SERVICE OIL TO FULL.

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