Service difficulty report · Beam · Boeing 747422

Difficulty date
November 19, 2011
Submitted
November 23, 2011
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
85,080 hours, 9,543 cycles
Engine
Pwa PW4056
Part
Beam
Condition
Damaged
Location
Rt Wing
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

RIGHT WING FIXED T/E BEAM UPPER CHORD LUG BORE DAMAGED AT WBL 235.2. REPAIRED IAW 747 EN-57-0187. REPAIR IS AN INTERIM REPAIR AND DVI FOR BEARING INSTALLATION AT WBL 235.20 MUST BE ACP AT 1C INTERVAL, NOT TO EXCEED 24 MONTHS. THIS CF CAN CLEAR ONCE EC IS CREATED.