SDR IPXA11668875

Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date: August 18, 2011
Submitted: August 26, 2011
Operation: Air carrier
Aircraft: N324UP
Make and model: Boeing 76734AF
Aircraft serial: 27750
Aircraft time: 36,533 hours, 11,324 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Stiffener
Part number: 111T20058
Condition: Cracked
Location: Wing Ctr
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, WING CENTER TANK FRONT SPAR VERTICAL STIFFENER TOP AREA FOUND CRACK JUST AT STA 785.9 RBL 10.94 STIFFENER REPAIRED IAW SRM 57-10-10-2R2, REPAIR 2, FIG 201, REV 50 AT STA 785.9 RBL 10.94 ORG MATERIAL BAC1518-912-2024T3511 CRACK LENGTH 1.2" CUT OFF LENGTH IS 19.5. REPAIR IS CLASSIFIED AS MAJOR REPAIR.

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