Service difficulty report · Stiffener · Boeing 7373T0

Difficulty date
January 13, 2006
Submitted
January 16, 2006
Operation
Air carrier
Aircraft
N70330
Make and model
Boeing 7373T0
Aircraft serial
23460
Aircraft time
57,459 hours, 29,970 cycles
Part
Stiffener
Part number
654502279
Condition
Cracked
Location
Bs 663.75
Stage of operation
IN
How discovered
9
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

INSPECTION FOUND A TWO INCH CRACK IN WING CENTER SECTION VERTICAL STIFFENER AT STA 663.75, RBL 6.15. THE STIFFENER WAS REPAIRED IAW EA 5714-01002. A DIP WAS ISSUED TO ACCOMPLISH A VISUAL INSPECTION OF THE STIFFENER FOR CRACKS EVERY 4500 FLIGHT CYCLES AND TO REPLACE BOTH STIFFENERS IAW EA 5714-01002 OP 02-05 PRIOR TO THE ACCUMULATION OF 15,000 FLIGHT CYCLES FROM REPAIR INSTALLATION.