Service difficulty report · Autothrottle Sys · Boeing 76734AF

Difficulty date
March 22, 2012
Submitted
March 23, 2012
Operation
Air carrier
Aircraft
N343UP
Make and model
Boeing 76734AF
Aircraft serial
37863
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
B, R
Precautionary procedure
A

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

What was found

DUE TO A BURNING ODOR IN COCKPIT, WITH AUTOPILOT ENGAGED THRUST LEVERS CAME BACK RAPIDLY AND SPEED DEGRADED 20KTS, HAD TO PUSH THRUST LEVERS UP AND THEN NOTICED THE BURNING ODOR. ALL THIS OCURRED AT TOP OF CLIMB. PERFOMED MCDP TESTS 2,30 AND 40. ALL TESTS PASSED. INSPECTED WINDSHIELD WINDOW HEAT ELECTRICAL TERMINALS, AUTOTHROTTLE SYS UNDER THE PEDESTAL, BACK OF P61 PANEL FOR LOOSE CONNECTORS, FWD E/E COMPARTMENT, THE EADI'S AND EHSI'S ON BOTH SIDES AND FOUND NORMAL. ALL CHECKS ACCOMPLISHED IAW AMM22-00-02, AMM21-00-00-2, AMM30-40-01 AND AMM34-22-03.

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