# SDR 2025FA0000522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2025
- Submitted: July 25, 2025
- Operation: General aviation
- Aircraft: [N717DG](https://openairdocs.org/aircraft/N717DG), registered now
- Aircraft serial: 10186S116
- Aircraft time: 3,241 hours
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Trunnion
- Part number: 40530310
- Condition: Cracked
- Location: Zone 100
- Part time: 3,241 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000522

## Discrepancy

FCP RUDDER PEDAL TRUNNION,  DRAWING 5ST31, IS CRACKING AROUND THE WELDS IN VARIOUS LOCATIONS ON THE PART.   MAINTAIN 18 OF THE DG1000S AIRCRAFT IN A TRAINING ENVIRONMENT, & ALMOST ALL ARE EXPERIENCING CRACKS TO SOME DEGREE. LOSS OF RUDDER CONTROL CAN OCCUR IF WELDS ARE LEFT TO CRACK FULLY.  AIRCAFT: DGFLUG, DG1000S.

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