# SDR QR9R2026041000001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2026
- Submitted: April 10, 2026
- 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: 9831
- Aircraft time: 3,717 hours
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Valve
- Part number: 0292107790
- Condition: Malfunctioned
- Location: Engine Oil
- Stage of operation: TX
- How discovered: O
- Nature of condition: J, F
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2026041000001

## Discrepancy

#2 ENG OIL PRESSURE CAUTION DISPLAYED WHILE ON GROUND AT FLY (1.3 FOR APPROXIMATELY 10 SECS). DURING T/F MOC, #2 ENGINE OIL PRESSURE NEVER WENT ABOVE 1.4 BAR WHILE IN THE FLIGHT POSITION AND WITH INCREASED COLLECTIVE INPUT. WHEN ENGINE WAS REDUCED TO IDLE, PRESSURE DECREASED TO 1.0 BAR AND REMAINED WITH ASSOCIATED #2 ENG OIL P CAUTION DISPLAYED ON CAD. REPLACED VALVE ASSY IAW ARRIEL 1 E2 MM 72-61-40-900-801-B01.

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