# SDR SWIA201332989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2013
- Submitted: March 15, 2013
- Operation: Air carrier
- Aircraft: [N935SW](https://openairdocs.org/aircraft/N935SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7725
- Aircraft time: 26,584 hours, 22,366 cycles
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo
- Condition: Failed
- Location: Autopilot Sys
- Stage of operation: CR
- 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/SWIA201332989

## Discrepancy

AUTO PILOT WHEN ENGAGED CAUSED A/C TO PITCH UP EXCESSIVELY ON ITS OWN AND OSCILLATE.  (FLT 6379)  REPLACED AUTOPILOT AILERON SERVO, FCC NR 2 CARD IN IAPS DUE TO PERSISTANT FAULT CODES.  FAULTS CLEARED.  BOTH AILERON AND ELEVATOR SERVO SPIN TESTS PASS.  OPS CHECK OF AFCS FOR BOTH SYSTEMS GOOD AT THIS TIME.  P/N 622-4404-101 S/N ON 56RJ S/N OFF D0LK; P/N 622-9815-904 S/N ON 02GY S/N OFF 393 P/N ON/OFF 622-4404-101 S/N ON 56RJ S/N OFF DOLK / P/N ON/OFF 622-9815-904 S/N ON 02GY S/N OFF 393.

---
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.