# SDR QR9R2024052900002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2024
- Submitted: May 29, 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: 15723839763
- Aircraft time: 3,665 hours
- System (JASC): [6700 · Rotorcraft Flight Control](https://openairdocs.org/jasc/6700)
- Part: Actuator
- Part number: 41800876400
- Part serial: MI12919
- Condition: Warning Message
- Stage of operation: HO
- 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/QR9R2024052900002

## Discrepancy

YAW ACTUATOR CAUTION LIGHT ILLUMINATED DURING HOVER. DURING T/F EVALUATION, ACTUATOR CAUTION CAME ON AFTER 15-20 MINUTES AT HOVER WITH YAW INDICATION ON PFD, SYSTEM STATUS PAGE DISPLAYED: YAWEMA INVAL. REMOVED AND REPLACED SEMA ACTUATOR IAW 67-20-00, 4-8. T/F COMPLETED, NO FAULTS NOTED.

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