Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
May 10, 2011
Submitted
May 18, 2011
Operation
Air carrier
Aircraft
N318UP
Make and model
Boeing 76734AF
Aircraft serial
27746
Aircraft time
38,711 hours, 11,933 cycles
Part
Stiffener
Part number
111T20058
Part serial
V
Condition
Cracked
Location
Wing Cr 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, FWD CARGO COMPT CTR TANK FRONT SPAR AT STA 785.9, RBL 10.94 VERTICAL STIFFENER FOUND CRACKED. VERTICAL STIFFENER REPAIRED IAW SRM 57-10-10-2R2. REPAIR 2, FIG 201, REV 49 JUST AT STA 785.9, RBL 10.94 ORG MAT'L BAC1518-912-2024T3511 CRACK LENGTH 2", CUTOFF LENGTH 19.5". THIS REPAIR CLASSIFIED AS A MAJOR REPAIR WITH MAT'L BAC1518-912-7075T6511 AS REPAIR STIFFENER SECT CLAD 2024T3-0100IN, AS REPAIR STRAPS, TOTAL REPAIR LENGTH IS 26".

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