# SDR QR9R2023101300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2023
- Submitted: October 13, 2023
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Make and model: Bolkms BK117C2
- Aircraft serial: 11721899447
- Aircraft time: 2,893 hours
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 51530022
- Part serial: P5104CA
- Condition: Failed
- Location: Unknown
- Stage of operation: HO
- How discovered: V
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2023101300001

## Discrepancy

#1 GENERATOR FAILED DURING RUN-UP AND WOULD NOT RESET. REMOVED AND REPLACED GENERATOR CONTROL UNIT IAW AMM 24-30-00, 4-1. TEST PILOT MOC SUCCESSFULLY COMPLETED.

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