SDR IPXA11666030

Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date: March 31, 2011
Submitted: April 13, 2011
Operation: Air carrier
Aircraft: N323UP
Make and model: Boeing 76734AF
Aircraft serial: 27749
Aircraft time: 38,311 hours, 11,610 cycles
System (JASC): 2810 · Fuel Storage
Part: Stiffener
Part number: 111T20058
Condition: Cracked
Location: Wing Ctr Tank
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 - WING CTR TANK FRONT SPAR VERTICAL STIFFENER UPPER AREA FOUND CRACK JUST AT STA 785.9, RBL 10.94. STIFFENER REPAIR IAW HX RS R57-10-37013, REV A & EO B767-5710-42201-A AT STA 785.9 RBL 10.94, ORG MAT;L BAC1518-749-2024T3511, CRK LENGTH IS 1" CUT OFF LENGTH IS 19.5", THIS CLASSIFIED AS MAJOR REPAIR WITH MAT'L BAC1518-749-2024T3511 STIFFENER REPLACE SECT, 2024T351-0250IN & 2024T3-0100IN STRAP & 7075T651BARE0250IN CLEVIS PLATE, TOTAL L 24"

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