# SDR QR9R2026071600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2026
- Submitted: July 17, 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: 9346
- Aircraft time: 4,997 hours
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Chip Detector
- Part number: 1B8045P
- Part serial: 1137
- Condition: Faulted
- Location: T/R Gearbox
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2026071600001

## Discrepancy

INTERMITTENT TAIL ROTOR CHIP LIGHT. CAME ON 3X AND REMAINED ON FOR ABOUT 3 TO 4 SECONDS EACH TIME. REMOVED AND REPLACED T/R CHIP DETECTOR; OPERATIONAL CHECK COMPLETED GOOD.

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