# SDR QR9R20210617001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2021
- Submitted: June 17, 2021
- 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: 9470
- Aircraft time: 2,917 hours
- System (JASC): [1400 · Miscellaneous Hardware](https://openairdocs.org/jasc/1400)
- Part: Screw
- Part number: NAS62049D
- Condition: Mismanufactured
- Location: Actuator
- Stage of operation: NR
- How discovered: 9
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20210617001

## Discrepancy

THE ACTUATOR SCREWS (PN: NAS6204-9D) ARE MANUFACTURED OUT OF LIMITS (OVERSIZED). THIS PREVENTS SCREWS FROM PROPERLY FITTING THROUGH BUSHING OF ACTUATOR ARM.

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