Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
October 27, 2011
Submitted
November 2, 2011
Operation
Air carrier
Aircraft
N327UP
Make and model
Boeing 76734AF
Aircraft serial
27753
Aircraft time
37,282 hours, 11,316 cycles
Part
Stiffener
Part number
111T200811
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:7C, WING CTR TANK FRONT SPAR VERTICAL STIFFENER TOP AREA FOUND CRACKED JUST AT STA 785.9, LBL 32.94 WING CTR TANK FRONT VERTICAL STIFFENER REPAIRED IAW SRM 57-10-10-2R2, REPAIR 2, FIG 201, REV 51 JUST AT STA 785.9 LBL 32.94, ORIGINAL MATERIAL IS BAC1518-749-2024T3511, CRACK LENGTH IS 1.1", CUTOFF LENGTH IS 16.5" THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH MATERIAL BAC1518-749-7075T6511 AS REPAIR STIFFENER SECTION, CLAD 2024T3-0100IN.

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