# SDR QR9R2023062200002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2023
- Submitted: June 22, 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: 07720279159
- Aircraft time: 3,862 hours
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Sensor
- Part number: 9580115910
- Part serial: 90469MFL
- Condition: Illuminated
- Location: Unknown
- Part time: 623 hours
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2023062200002

## Discrepancy

ENGINE #1 OVSP FAIL CAUTION ILLUMINATED IN FLIGHT. UPON TROUBLESHOOTING OF # 1 ENGINE OVERSPEED SENSOR IAW 77-14-00-750-801-A01, FOUND NO RESISTENANCE BETWEEN WINDINGS. MOC SUCCESSFULLY COMPLETED FOR REPLACEMENT OF #1 ENGINE OVERSPEED SENSOR IAW AMM05-60-00,6-12.

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