SDR IPXA10660983

Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date: June 21, 2010
Submitted: July 9, 2010
Operation: Air carrier
Aircraft: N301UP
Make and model: Boeing 76734AF
Aircraft serial: 27239
Aircraft time: 38,972 hours, 12,868 cycles
System (JASC): 5714 · Wing, Center Box
Part: Stiffener
Condition: Cracked
Location: Wing Ctr Section
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, FWD CARGO COMPT CTR TANK FRONT SPAR UPPER VERTICAL STIFFENER FOUND CRACKED AT STA 785.9, RBL10.94. WING CTR SECTION AT STA785.9 RBL10.94 VERT STIFFENER REPAIRED IAW RS R57-10-36758 & EO B767-5710-38467, ORG MATL IS BAC1518-749-2024T 3511, CRACK LENGTH IS 2.75", CUT OFF LENGTH IS 19.5" THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH MATL BAC1518-749-2024T3511 AS REPLACEMENT SECTION. TOTAL REPAIR LENGTH IS 29.5"

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