# SDR QR9R20220831003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2022
- Submitted: August 31, 2022
- 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: 19724349820
- Aircraft time: 2,056 hours
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: None
- Part number: 9580115900
- Part serial: NA
- Condition: Illuminated
- 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/QR9R20220831003

## Discrepancy

OVERSPEED FAIL LIGHT ILLUMINATED DURING FLIGHT ON #2 ENGINE. DURING LANDING, #2 ENGINE OIL PRESSURE VACILLATED BETWEEN 05 TO 1.9. A TEST FLIGHT EVALUATION REVEALED #2 OVERSPEED FAIL CAUTION ADVISORY WOULD NOT GO OUT DURING START UP. REPLACED # 2 ENGINE OVERSPEED SENSOR IAW ARRIEL 1 E2 77-14-00-900-802-A01. T/F MOC COMP, OVERSPEED SENSOR FOUND OK IAW 05-60-00, 6-1.

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