# SDR 2007UALA02319

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2007
- Submitted: July 3, 2007
- Operation: Air carrier
- Aircraft: N506UA
- Make and model: Boeing 757222
- Aircraft serial: 24627
- Aircraft time: 56,510 hours, 21,232 cycles
- Engine: Pwa PW2037
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Condition: Malfunctioned
- Location: Lt Engine
- Stage of operation: CR
- 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/2007UALA02319

## Discrepancy

LEFT GENERATOR OFF, APU DID NOT START AT 30,000 FT, DESCENDED TO 20,000 FT, APU STARTED NORMALLY.   [08-08-07]   REPLACED IDG FOR INSPECTION AND TROUBLESHOOTING.

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