Service difficulty report · Actuator · Boeing 777222

Difficulty date
November 10, 2007
Submitted
November 14, 2007
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
45,163 hours, 8,430 cycles
Engine
Pwa PW4077
Part
Actuator
Condition
No Test
Location
Flaperon
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

RAN RT FLAPERON POSITION TEST AND RESULT WAS FAILURE OF RT OTBD FLAPERON ACTUATOR TO ACHIEVE COMMANDED POSITION. RAN RIGHT FLAPERON POSITION TEST AND RESULT WAS FAILURE OF RH OTBD FLAPERON ACTUATOR TO ACHIEV E COMMANDED POSITION. INSTALLED NEW FLAPERON ACTUATOR AND SYSTEM CHECKED OK FOR SERVICE. SUSPECT STICKING DUE TO DEBRIS BUILDUP.