Service difficulty report · Stiffener · Boeing 767300

Difficulty date
February 24, 2011
Submitted
March 2, 2011
Operation
Air carrier
Aircraft
N316UP
Make and model
Boeing 767300
Aircraft serial
27744
Aircraft time
37,416 hours, 11,868 cycles
Part
Stiffener
Condition
Cracked
Location
Bs 246 Floorbeam
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

INSPECTION TYPE:C, FX MAIN EQUIPMENT CTR STA 246, LBL 40, FLOORBEAM STIFFENER FOUND CRACK. FX MEC AT STA 246, LBL 40 STIFFENER REPAIRED IAW SRM 53-10-51-2R4, FIG 201. REPAIR 4, REV 49, ORG MAT'L IS BAC1490-2793-7075T62, CRK LENGTH IS 1.2". THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH MAT'L 7075T6-0.063" AS STIFFENER, REPEAT INSP AT 3000 FLIGHT CYCLES OR 24 MONTHS WHICHEVER OCCURS FIRST IS REQUIRED.

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