Service difficulty report · Floorbeam · Boeing 747428F

Difficulty date
January 27, 2019
Submitted
March 20, 2019
Operation
Air carrier
Aircraft
N580UP
Make and model
Boeing 747428F
Aircraft serial
25632
Aircraft time
101,727 hours, 17,398 cycles
Part
Floorbeam
Part number
65B380363
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:D2 CORROSION DAMAGE ON MAIN DECK TRANSVERSE FLOORBEAM UPPER CHORD AT STA 720 AND BETWEEN LBL 75.92-LBL 98.58. REPAIR IAW SR ID:3-4431346575 AND EO B747-5310-71843-A.