Service difficulty report · Circuit Breaker · Doug DC982

Difficulty date
September 29, 2009
Submitted
October 6, 2009
Operation
Air carrier
Aircraft
N492AA
Make and model
Doug DC982
Aircraft serial
49730
Aircraft time
60,595 hours, 31,701 cycles
Part
Circuit Breaker
Part number
7374622
Condition
Faulty
Location
Autopilot Sys
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

INFLIGHT SAN TO DFW. CREW REPORTED CLIMBING THROUGH FL260 THE AIRCRAFT YAWED AND THE AUTO PILOT AND AUTO THROTTLE KICKED OFF FOLLOWED BY YAW DAMP OFF AND MACH TRIM INOP INDICATION LIGHTS. ALTITUDE WINDOW WENT BLANK AND SPEED MACH FROZE ALONG WITH PITCH INDICATION. LANDED PHX WITHOUT INCIDENT. FOUND CIRCUIT BREAKER C17 POPPED. REPLACED CIRCUIT BREAKER C17. SYSTEM GROUND CHECKED NORMAL OPERATION.

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