Service difficulty report · Floorbeam · Boeing 747123

Difficulty date
January 9, 2005
Submitted
January 19, 2005
Operation
Air carrier
Aircraft
N675UP
Make and model
Boeing 747123
Aircraft serial
20390
Aircraft time
74,557 hours, 21,365 cycles
Part
Floorbeam
Condition
Corroded
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

INSPECTION TYPE:C - FLOORBEAM BS 340 LBL 11 - 39 UPPER CHORD CORRODED. REPAIR PARTS FABRICATED AS PER SRM 53-10-07 FIG 23. CORROSION BLEND OUT 0.050 X 2 X 2 INCHES EXCEED SRM LIMIT.