Service difficulty report · Floorbeam · Boeing 747428F

Difficulty date
June 20, 2013
Submitted
July 17, 2013
Operation
Air carrier
Aircraft
N580UP
Make and model
Boeing 747428F
Aircraft serial
25632
Aircraft time
82,380 hours, 14,557 cycles
Part
Floorbeam
Part number
141U547022
Condition
Cracked
Location
Bs 380
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: D, BS 380 LT UPPER DECK FLOORBEAM ONE FASTENER HOLE FOUND CRACKED AT 4TH LAYER FROM AFT. BS 380 FLOORBEAM WEB REPAIRED IAW RI53-15-10232, REV A & 5310-51314-A, CLASSIFIED AS A MAJOR REPAIR.