Service difficulty report · Actuator · Boeing 767322

Difficulty date
March 8, 2011
Submitted
March 17, 2011
Operation
Air carrier
Aircraft
N647UA
Make and model
Boeing 767322
Aircraft serial
25284
Aircraft time
81,666 hours, 13,192 cycles
Engine
Pwa PW4060
Part
Actuator
Part number
550030019
Part serial
23742941
Condition
Binding
Location
Rt Aileron
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AILERON LOCKOUT DESCENDING OUT OF 10000 240 KNOTS. RT OB AILERON LOCKOUT ACTUATOR PREVIOUSLY REPLACED. STILL FAULTING ACTUATOR. WORKING REPLACEMENT OF ACTUATOR. REPLACED RIGHT OTBD AILERON LOCKOUT ACTUATOR. CHECKED OK. AILERON LOCKOUT FAULT AND HYD PRESSURE SWITCH FAULT BALLS SHOW ON LEFT SAM (R524) RESET AND FAULTS CLEARED DUE TO RECENT HITS REPLACED LT SAM. MECHANISM OPERATES SMOOTHLY, NO BINDING.