Service difficulty report · Frame · Boeing 747451

Difficulty date
May 28, 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 1160
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 CRACK AT RIGHT SIDE TENSION TIE STA1160 ON LOWEST FASTENER ROW, 1ST FASTENER HOLE FROM OUTBOARD LOOKING FORWARD. MAINTENANCE REMOVED AND REPLACED CRACKED STRINGER CLIP AS PER B747-400 SRM 51-40-02. NEW STRINGER CLIP, P/N 65B04174-44, FABRICATED AS PER DRAWING 65B04174.