SDR UALA2012100405632

Service difficulty report · Actuator · Boeing 767322

Difficulty date: October 2, 2012
Submitted: October 22, 2012
Operation: Air carrier
Aircraft: N646UA
Make and model: Boeing 767322
Aircraft serial: 25283
Aircraft time: 89,564 hours, 14,318 cycles
Engine: Pwa PW4060
System (JASC): 2710 · Aileron Control System
Part: Actuator
Part number: 550030019
Part serial: 21
Condition: Failed
Location: Lt Aileron
Stage of operation: NR
How discovered: O
Nature of condition: F, J
Precautionary procedure: O

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

What was found

"AIL LOCK" LT ON AT HIGH SPEED. EICAS MSG "AILERON LOCKOUT" DISPLAYED. OUTBOARD AILERONS INDICATED MOVEMENT - UNLOCKED, BOTH. CREW COMMENTS: 290 KNOTS AT 13,000FT,TEMP -8, THE RT SAM HAD AN ADC AND A LT AILERON LOCKOUT ACTUATOR FAULTBALL. BOTH DID RESET. PER LM THE LLEFT AILERON LOCKOUT ACTUATOR NEEDS TO BE REPLACED. REPLACED LEFT AILERON LOCKOUT ACTUATOR, OPS CHECK GOOD.