# SDR 2015FA0000639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2015
- Submitted: December 9, 2015
- Operation: General aviation
- Aircraft: N806SA
- Make and model: Pilats PC1245
- Aircraft serial: 558
- Aircraft time: 11,261 hours, 11,196 cycles
- Engine: Pwa PT6A67B
- Engine time: 10,637 hours, 10,351 cycles
- Propeller: Hartzl HCE4A3D
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Rudder
- Condition: Malfunctioned
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2015FA0000639

## Discrepancy

DURING CLIMBOUT, WITH YAW DAMPER ENGAGED, THERE WAS A RUDDER TRIM RUNAWAY.  PILOTS DECLARED AN EMERGENCY AND DIVERTED.

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