Service difficulty report · Frame · Boeing 747422

Difficulty date
September 7, 2010
Submitted
September 13, 2010
Operation
Air carrier
Aircraft
N180UA
Make and model
Boeing 747422
Aircraft serial
25224
Aircraft time
81,736 hours, 9,857 cycles
Engine
Pwa PW4056
Part
Frame
Condition
Damaged
Location
Bs 900
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

FWD PIT LWR FRAME STA 900 RBL 43 AFT SIDE OF UPPER CHORD HAS BEEN PARTLY DRILLED THROUGH FRAME VERT. JUST FWD OF FWD DRIVE WHEEL BAY 5 RT. BEGAN REMOVING FASTENERS AND STIFFENER ANGLES IN REPAIR AREA FOR ACCESS TO TEE SPLICE AND WEB REPAIR. FINISHED REMOVING DAMAGE BEGAN MFG. OF REPAIR PIECES. CONTINUED ON WITH MANUFACTURE OF REPAIR PIECES. WAITING FOR BOEING APPROVAL OF REPAIR. ACCOMPLISHED FABRICATION, ALODINE AND PRIMED REPAIR PARTS PER UA EVA-80077.