# SDR QR9R2024020600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2024
- Submitted: February 6, 2024
- 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: 08720839273
- Aircraft time: 4,098 hours
- System (JASC): [6340 · Rotor Drive Indicating System](https://openairdocs.org/jasc/6340)
- Part: Pickup
- Part number: 430106202
- Part serial: 2216917339308
- Condition: Failed
- Location: Triple Tach
- Stage of operation: TX
- How discovered: V
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2024020600001

## Discrepancy

TRIPLE TACH ROTOR INDICATED 0% RPM AFTER REACHING GROUND IDLE CONDITIONS. REMOVED AND REPLACED SPEED PICK-UP. MOC COMPLETED IAW AMM 62-41-00, 4-1.

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