Service difficulty report · Floorbeam · Boeing 747422

Difficulty date
October 17, 2003
Submitted
October 28, 2003
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
52,537 hours, 5,832 cycles
Engine
Pwa PW4056
Part
Floorbeam
Condition
Dented
Location
Fuselage
Stage of operation
IN
How discovered
9
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 STA 720 FLOORBEAM T-CHORD AT RBL 10 APPROX IS DENTED ON THE HORIZONTAL FLANGE & EXTENDS INTO THE RADIUS OF THE FLANGE. MAJOR REPAIR ACCOMPLISHED. THE FLANGE WAS TRIMMED OUT AS MUCH AS POSSIBLE. ACP HFEC NDT INSP OF AREA FOR CRACKS, NONE FOUND. THIS REPAIR APPROVED BY BOEING-FAA 8110-3 ON MOBILE AEROSPACE ENGINEERING AUTHORIZATION 47-5325-13-A1038.