Service difficulty report · Floorbeam · Boeing 747123

Difficulty date
January 27, 2004
Submitted
February 11, 2004
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
70,871 hours, 20,783 cycles
Part
Floorbeam
Part number
HXC108662
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 M/D- RT STA 2240 FLOORBEAM LOWER SECTION FOUND CORRODED IN BETWEEN RBL 6 AND RBL 40. CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.050 X 1 X 2 INCH EXCEED SRM 53-10-01 LIMITS. STA 2240 RBL 30 FLOORBEAM LOWER SECTION REPAIRED AS PER SRM 51-40-04 FIG 2. CIC APPLIED IAW CPM53-10-17.