Service difficulty report · Frame · Boeing 747451

Difficulty date
May 23, 2012
Submitted
May 31, 2012
Operation
Air carrier
Aircraft
N665US
Make and model
Boeing 747451
Aircraft serial
23820
Aircraft time
96,421 hours, 12,004 cycles
Part
Frame
Condition
Cracked
Location
Bs 1120
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 CRACK WAS FOUND AT RIGHT TENSION TIE BS 1120 ON TOP FASTENER ROW, 8TH FASTENER HOLE FROM OUTBOARD LOOKING FORWARD. MAINTENANCE REPAIRED PER SRM 53-40-30, REPAIR 1 FIG 201.