# SDR QR9R2023101200001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2023
- Submitted: October 12, 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: 19724459833
- Aircraft time: 2,318 hours
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Unknown
- Part number: FSC211
- Part serial: 2872
- Condition: Fluctuates
- Location: Unknown
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2023101200001

## Discrepancy

#1 GENERATOR AMP FLUCTUATED DURING HOVER WITH A DIFFERENCE OF 25. A TEST FLIGHT EVAL SHOWED #1 GENERATOR AMPS CONTINUOUSLY FLUCTUATING CAUSING AN AMP SPLIT OF UP TO A 25 AMP DIFFERENCE. REMOVED AND REPLACED TRANSFORMATOR IAW AMM 24-30-00, 4-6. CHECK FOUND GOOD.

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