Service difficulty report · Actuator · Boeing 747422

Difficulty date
August 4, 2008
Submitted
August 12, 2008
Operation
Air carrier
Aircraft
N179UA
Make and model
Boeing 747422
Aircraft serial
25158
Aircraft time
72,992 hours, 8,984 cycles
Engine
Pwa PW4056
Part
Actuator
Part number
1809308
Condition
Failed
Location
Mlg
Stage of operation
CR
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

GEAR RETRACTION PROBLEM. RTFL. REPLACED RT BLG TILT ACTUATOR. NO SHOP DATA FOR ROOT CAUSE.