Service difficulty report · Control System · Boeing 767232

Difficulty date
February 3, 2023
Submitted
February 9, 2023
Operation
Air carrier
Aircraft
N744AX
Make and model
Boeing 767232
Aircraft serial
22221
Aircraft time
99,959 hours, 45,155 cycles
Part
Control System
Part number
251T15069
Condition
Corroded
Location
Left/Right Wing
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

DURING TAKEOFF FLIGHT CONTROLS BECAME EXTREMELY HEAVY TO OPERATE DECLARED EMERGENCY, RETURNED TO CVG. AIRCRAFT LANDED WITH OUT FURTHER INCIDENT AND WAS GROUNDED BY MAINTENANCE. MAINTENANCE FOUND LEFT AND RIGHT LCCA OUTPUT QUADRANTS AND RIGHT OUTPUT CONTROL QUADRANT WITH FROZEN BEARINGS. REMOVED AND REPLACED RIGHT LCCA OUTPUT QUADRANT IAW B767 AMM 27-11-78. REPLACED BEARINGS AND REINSTALLED SAME IAW B767 AMM 27-11-34 AND SOPM 20-50-03 .REFERENCE WORK ORDER 2023744 FOR ALL MAINTENANCE ACTIONS. AIRCRAFT RETURNED TO SERVICE AFTER MAINTENANCE EVALUATION FLIGHT.