Service difficulty report · Floorbeam · Boeing 747428F

Difficulty date
January 18, 2025
Submitted
February 18, 2025
Operation
Air carrier
Aircraft
N580UP
Make and model
Boeing 747428F
Aircraft serial
25632
Aircraft time
119,316 hours, 20,452 cycles
Part
Floorbeam
Part number
65B3804913
Condition
Corroded
Location
Zone 200
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

CORROSION FLOOR BEAM, FWD CGO COMPARTMENT STA 980 LBL 74 OF MAIN DECK FLOOR STRUCTURE. (REPAIR). I.A.W AMM 53-21-02-404-006 REV.112 INSTALL MAIN DECK CARGO FLOOR PANEL AT STA 980 LBL74 AND CONDITION CHECK NORMAL. REPAIR DAMAGE AREA I.A.W SRM 53-00-51-2R-3 REV.102 EGAT WORK SHEET NO.50054 AND UPS EO-92805-REQ1 REV.1