Service difficulty report · Doubler · Boeing 747451

Difficulty date
May 7, 2012
Submitted
May 9, 2012
Operation
Air carrier
Aircraft
N666US
Make and model
Boeing 747451
Aircraft serial
23821
Aircraft time
95,648 hours, 11,953 cycles
Part
Doubler
Condition
Cracked
Location
Bs 1200 Frame
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

DURING INSPECTION FOUND CABIN ZONE C LT STA 1200 TENSION TIE FRAME DOUBLER FOUND CRACKED. MAINTENANCE REMOVED DOUBLER AND INSTALLED NEW FRAME DOUBLER AS PER B747-400 SRM 51-40-02.