Service difficulty report · Floorbeam · Boeing 747422

Difficulty date
December 29, 2015
Submitted
January 4, 2016
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
86,582 hours, 9,967 cycles
Engine
Pwa PW4056
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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

MAIN DECK ZONE B FLOORBEAM, UPPER CHORD CORRODED AT STATION 520, LBL 40 - RBL44. MAIN DECK ZONE B STATION 520, LBL 60 TO RBL 60, FLOORBEAM UPPER CHORD REPAIRED IAW SRM 53-10-51 REPAIR 2 FIG 201 REV 94.