# SDR QR9R20210624001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2021
- Submitted: June 24, 2021
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Aircraft: [N547AE](https://openairdocs.org/aircraft/N547AE), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9211
- Aircraft time: 3,932 hours
- System (JASC): [6500 · Tail Rotor Drive System](https://openairdocs.org/jasc/6500)
- Part: Actuator
- Part number: B673M40A1001
- Part serial: 00364
- Condition: Leaking
- Location: Tail Rotor
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20210624001

## Discrepancy

EXCESSIVE PLAY DETECTED AT THE TAIL ROTOR HYDRAULIC/YAW SEMA. SUBSEQUENT TROUBLESHOOTING REVEALED T/R ACTUATOR LEAKING AT WEEP HOLE.

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