Service difficulty report · Control Unit · Boeing 747428F

Difficulty date
January 5, 2015
Submitted
January 8, 2015
Operation
Air carrier
Aircraft
N902AR
Make and model
Boeing 747428F
Aircraft serial
32870
Aircraft time
46,284 hours, 6,519 cycles
Part
Control Unit
Condition
Malfunctioned
Location
Ailerons
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
J, A

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

What was found

THE CREW REPORTED TAKEOFF WAS SMOOTH AND UNEVENTFUL. NOTICED AN OUT OF TRIM AND OPPOSITE RUDDER TRIM. RT INBD AILERON DEFLECTED TO FULL DOWN POSITION DURING FLIGHT AND WAS UNABLE TO ENGAGE AUTOPILOT. DIVERTED AND DUMPED APPROXIMATELY 25 MINUTES OF FUEL PERFORMED AN UNEVENTFUL LANDING. INBD AILIRON POWER CONTROL PACKAGE FOUND TO BE DAMAGED UPON VISUAL INSPECTION. R & R RT INBD AILERON POWER CONTROL ASSY.