# SDR CA120522017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- Propeller: Rotol CR4086123F17
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Servo
- Part number: C18117AA
- Condition: Malfunctioned
- Location: Autopilot Pitch
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120522017

## Discrepancy

(CAN) DURING CLIMB WITH AUTOPILOT ON, UNCOMMANDED PITCH CHANGES OF 3-4 DEGREES. AP SELECTED OFF AND PITCH CHANGES STOPPED.  MAINTENANCE REPLACED AUTOPILOT PITCH SERVO.

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