# SDR QR9R20220914002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2022
- Submitted: September 14, 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: 11722239499
- Aircraft time: 3,176 hours
- System (JASC): [6340 · Rotor Drive Indicating System](https://openairdocs.org/jasc/6340)
- Part: None
- Part number: ZRB26300
- Part serial: 776510423
- Condition: Fluctuates
- Stage of operation: CR
- How discovered: V
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20220914002

## Discrepancy

#2 TRANSMISSION OIL PRESSURE SYSTEM FAILED DURING FLIGHT. DISCONNECTED, INSPECTED, CLEANED AND RESEATED TRANSMISSION PRESSURE TRANSMITTER IAW AMM 70-43-00-110-801-A01. DURING TEST FLIGHT EVALUATION, #2 XMSN OIL PRESSURE FLUCTUATED FROM 2.0 TO .9. REMOVED AND REPLACED #2 TRANSMISSION PRESSURE TRANSDUCER IAW AMM 63-41-00,4-4. COMPLETED MTF IAW AMM 05-60-00, 6-1 OPS CHECK GOOD.

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