# SDR QR9R2023052200004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2023
- Submitted: May 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: 15724119795
- Aircraft time: 2,729 hours
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Sensor
- Part number: 9580115900
- Part serial: NA
- Condition: Failed
- 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/QR9R2023052200004

## Discrepancy

DURING HOVER, THE #2 OVERSPEED FAILED AND WAS NOT ABLE TO RESET BY MAINTENANCE. REMOVED AND REPLACED #2 OVERSPEED SENSOR IAW SAFRAN 77-14-00-900-802-A01. MOC SUCCESSFULLY COMPLETED I/A/W AMM 05-60-00,6-12.

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