Service difficulty report · Doubler · Boeing 747428

Difficulty date
July 7, 2012
Submitted
July 12, 2012
Operation
Air carrier
Aircraft
N949CA
Make and model
Boeing 747428
Aircraft serial
25630
Aircraft time
75,514 hours, 10,454 cycles
Engine
Ge CF680C2B1F
Part
Doubler
Part number
65B01750362
Condition
Cracked
Location
Bs 1140
Part time
75,514 hours, 10,454 cycles
Stage of operation
IN
How discovered
E
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

UPPER DECK TENSION TIE, RT SIDE BS 1140, DOUBLER AND CHORD FOUND CRACKED 2 PLACES. CRACK LENGTH .007" REF AD 2007-23-18, SB 747-53A2507.