Service difficulty report · Trunnion · Boeing 747422

Difficulty date
September 21, 2011
Submitted
October 18, 2011
Operation
Air carrier
Aircraft
N181UA
Make and model
Boeing 747422
Aircraft serial
25278
Aircraft time
84,042 hours, 10,280 cycles
Engine
Pwa PW4056
Part
Trunnion
Condition
Worn
Location
Nlg
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

FOUND AFT RT NOSE GEAR DOOR LOOSE, METAL TRIANGLE CASTING BOLTED TO RT TRUNNION AREA OF GEAR IS WORN. FOUND SPACER MISSING NOSE GEAR TRUNNION CRANK, REMOVED RIGHT TRUNNION DRIVE CRANK. RT TRUNNION DRIVE CRANK NEEDS INSTALLATION. INSTALLED TRUNNION DRIVE CRANK. NO ADJUSTMENT TO DOOR OPERATOR RODS OR LINKAGE MADE.