Service difficulty report · Floorbeam · Boeing 747446

Difficulty date
November 11, 2013
Submitted
November 11, 2013
Operation
Air carrier
Aircraft
N742CK
Make and model
Boeing 747446
Aircraft serial
24424
Aircraft time
83,998 hours, 18,994 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 340
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

BS 340, RBL 68 UPPER DECK FLOORBEAM HAS CRACK IN FASTENER HOLE COMMON TO FLOORBEAM UPPER TEE AND FRAME INNER CHORD.