# SDR QR9R2024100800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2024
- Submitted: October 8, 2024
- 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: 19724309816
- Aircraft time: 3,469 hours
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Sensor
- Part number: 9580115910
- Condition: Faulted
- Location: Engine
- Stage of operation: HO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2024100800001

## Discrepancy

WHILE AT HOVER, THE #2 SYSTEM ON CAD DISPLAYED AN OVERSPEED FAIL. BACK IN PARKING, MAINTENANCE RESET THE CIRCUIT BREAKER WHICH DID NOT CORRECT THE ISSUE. REMOVED AND REPLACED DOUBLE SENSOR IAW 77-11-00-900-801-A01; T/P MOC SUCCESSFULLY COMPLETED.

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