SDR IPXA10659875

Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date: May 5, 2010
Submitted: May 17, 2010
Operation: Air carrier
Aircraft: N303UP
Make and model: Boeing 76734AF
Aircraft serial: 27241
Aircraft time: 39,360 hours, 12,753 cycles
Engine: Ge CF680C2B6F
System (JASC): 5710 · Wing Main, Frame Structure
Part: Stiffener
Part number: 112T22521
Condition: Cracked
Location: Rt Wing Spar
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 FRONT SPAR STIFFENER UPPER AREA FOUND CRACKED JUST AT OFSS532. RT WING FRONT SPAR STIFFENER JUST AT OFSS532 AREA FABRICATED WITH MATL AND10133-2403 7075T6511 EXTRUSION, REPLACED AND INSTALLED IAW RS R57-21-36728 & EO B767-5710-37790, ORG MATL IS BAC1503-100633- 7075T6511, CRACK LENGTH IS 0.375"

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