# SDR QR9R20211012002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2021
- Submitted: October 12, 2021
- 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: 09721129336
- Aircraft time: 2,509 hours
- System (JASC): [7930 · Engine Oil Indicating System](https://openairdocs.org/jasc/7930)
- Part: Pressure Switch
- Part number: 9560137630
- Part serial: 1276
- Condition: Faulty
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20211012002

## Discrepancy

ENGINE 2 OIL PRESSURE ADVISORY ILLUMINATED AT RANDOM TIMES BOTH PRIOR AND DURING START. ENGINE START ABORTED DUE TO OIL PSI LIGHT ILLUMINATING DURING START. MAINTENANCE REPLACED #2 ENGINE OIL PRESSURE SWITCH IAW ARRIEL 1E2 79-31-00-900-801-A01. GROUND RUN/LEAK CHECK COMPLETED IAW AMM 05-60-00, 6-12.

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