# SDR 2025FA0000118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2025
- Submitted: February 19, 2025
- Operation: General aviation
- Aircraft: [N50MF](https://openairdocs.org/aircraft/N50MF), registered now
- Make and model: Cirrus SR20
- Registry model: [Cirrus SR20](https://openairdocs.org/model/cirrus-design-sr20) (OpenAirDocs)
- Aircraft serial: 2452
- Aircraft time: 2,465 hours
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Lock Nut
- Part number: MS21042208
- Condition: Loose
- Location: Yolk
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000118

## Discrepancy

DEFECTIVE LOCK NUT ON SCREW THAT CONNECTS THE YOLK ASSEMBLY TO THE AILERON ACTUATION BRACKET WAS LOOSE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.