# SDR DL733011709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2001
- Submitted: November 29, 2001
- Operation: Air carrier
- Aircraft: [N307WA](https://openairdocs.org/aircraft/N307WA), registered now
- Make and model: Boeing 737347
- Aircraft serial: 23440
- Aircraft time: 43,994 hours, 30,514 cycles
- Engine time: 22,147 hours, 26,193 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Part serial: 60281
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 22,147 hours, 26,193 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL733011709

## Discrepancy

APU OVERSPEED, NR 1 GEN WAS ALREADY ON MCO.  RESET OVERSPEED ON APU ACCY UNIT.  APU WORKS NORMAL.  REPLACED NR 1 GCU NR 1 GEN WORKS NORMAL.

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