Service difficulty report · Floor Support · Boeing 747451

Difficulty date
January 16, 2012
Submitted
February 7, 2012
Operation
Air carrier
Aircraft
N663US
Make and model
Boeing 747451
Aircraft serial
23818
Aircraft time
95,626 hours, 12,445 cycles
Part
Floor Support
Condition
Cracked
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

33/230 MAIN DECK FLOOR SUPPORT CRACK BS 500-520, LBL 67, L=1" PER B747-400 SRM 51-40-02. REPLACED THE MAIN DECK FLOOR SUPPORT.