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
111T200812
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, FWD CARGO COMPT CTR TANK FRONT SPAR AT STA 785.9, RBL 32.94 VERTICAL STIFFENER FOUND CRACKED. VERT STIFFENER REPAIRED IAW SRM 57-10-10-2R2. REPAIR 2, FIG 201, REV 49 AT STA 785.9, RBL 32.94 ORG MAT'L BAC1518-749-2024T3511 CRACK LENGTH IS 1.125", CUTOFF LENGTH 16.5" REPAIR CLASSIFIED AS A MAJOR REPAIR WITH MAT'L BC1518-749-7075T6511. REPAIR STIFFENER SECT, CLAD 2024T3-0100IN AS REPAIR STRAPS, TOTAL REPAIR LENGTH IS 24"

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