Service difficulty report · Floorbeam · Boeing 747123

Difficulty date
August 16, 2002
Submitted
August 28, 2002
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
68,213 hours, 20,211 cycles
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

INSPECTION TYPE:C, COCKPIT - BS 340 LBL 100 FLOORBEAM UPPER CHORD FOUND CORRODED. CORROSION REMOVED IAW 51-10-01, CORROSION BLEND OUT EXCEEDS SRM LIMIT. FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 53-10-07 FIG 23.