Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
June 1, 2009
Submitted
June 10, 2009
Operation
Air carrier
Aircraft
N318UP
Make and model
Boeing 76734AF
Aircraft serial
27746
Aircraft time
33,365 hours, 10,285 cycles
Part
Stiffener
Part number
141T514631
Condition
Cracked
Location
Fuselage
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:6C MAIN E/E CENTER STA 246 LBL 40 M/D FLOORBEAM ATT STIFFENER FOUND CRACKED. MAIN E/E CENTER STA 246 LBL 40 FLOORBEAM ATT STIFFENER REPAIRED AS PER SRM 53-10-51-2R 4 FIG 201 REV 44, THIS IS CLASSIFIED AS A MAJOR REPAIR WITH MATERIAL 7075-0-0063IN AND 7075-T6-0080IN, REPAIR SIZE 15 X 3 INCHES, THIS REPAIR IS A CATEGORY "B" REPAIR, MUST BE INSPECTED AS PER SRM 53-10-51-2R4 FIG 201 SHT2, TABLE II. REF UPS MPI P20674.

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