Service difficulty report · Actuator · Boeing 747422

Difficulty date
April 12, 2008
Submitted
April 16, 2008
Operation
Air carrier
Aircraft
N175UA
Make and model
Boeing 747422
Aircraft serial
24382
Aircraft time
69,824 hours, 7,932 cycles
Engine
Pwa PW4056
Part
Actuator
Condition
Malfunctioned
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RTFL DUE TO GEAR TILT MESSAGE AND INABILITY TO RETRACT LANDING GEAR. REPLACED RT BODY GEAR TILT ACTUATOR. NO ROOT CAUSE DETERMINED FOR ACTUATOR. OSV SHOP - NO SHOP DATA FOR ROOT CAUSE. THIS SAME ACTUATOR WAS REPLACED ON THIS AIRCRAFT ON 2/18/2008.