Service difficulty report · Servo · Bombdr DHC8400

Difficulty date
April 16, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Engine
Pwc PW150A
Propeller
Rotol CR4086123F17
Part
Servo
Part number
C18117AA
Condition
Malfunctioned
Location
Autopilot Pitch
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(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.