Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
March 1, 2010
Submitted
March 12, 2010
Operation
Air carrier
Aircraft
N313UP
Make and model
Boeing 76734AF
Aircraft serial
27764
Aircraft time
37,276 hours, 11,774 cycles
Engine
Ge CF680C2B6F
Part
Stiffener
Part number
112T22558
Condition
Cracked
Location
Rt Wing
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, RT WING - L/E OFSS821 FRONT SPAR STIFFENER FOUND CRACKED. RT WING L/E OFSS821 FRONT SPAR STIFFENER REPLACED AND INSTALLED IAW RS R57-00-36628. ORG MAT'L IS BAC1503-100631-7075T6511 EXTRUSION CRACK LENGTH IS .3750". THIS REPAIR IS CLASSIFIED AS A CATERGORY A PERMANENT REPAIR WITH MAT'L EXTRUSION AND 10133-2403-7075T6511 AS REPAIR STIFFENER AND EO B767-5710-36966 FOR REFERENCE.

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