# SDR 2000UALA00427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: N501UA
- Make and model: Boeing 757222
- Aircraft serial: 24622
- Aircraft time: 36,741 hours, 13,936 cycles
- Engine: Pwa PW2037
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Generator
- Condition: Failed
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00427

## Discrepancy

LOSS OF AUXILIARY POWER UNIT GENERATOR.  *S/D*  LINE MAINTENANCE PERFORMED AN OIL SERVICE TO THE AUXILIARY POWER UNIT FOLLOWED BY AN OPERATIONAL CHECK WHICH WAS SATISFACTORY.

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