Service difficulty report · Floorbeam · Boeing 747123

Difficulty date
January 11, 2007
Submitted
February 2, 2007
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
76,834 hours, 22,085 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 AFT CARGO COMPT - LEFT FLOORBEAM LOWER SURFACE FOUND SURFACE CORROSION AT STA 1820 LBL 42 TO LBL 45 ANCHOR NUT AREA. CORROSION BLEND OUT 0.041 X 2 X 3 INCHES EXCEED SRM LIMIT. AFT CARGO COMPT - LEFT FLOORBEAM REPAIRED AT BS 1820 LBL 20 TO LEFT MOST O/B AS PER SRM 51-40-04 FIG 2.