Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
September 2, 2009
Submitted
September 9, 2009
Operation
Air carrier
Aircraft
N311UP
Make and model
Boeing 76734AF
Aircraft serial
27741
Aircraft time
36,769 hours, 11,366 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:C MEC COMPT STA 246 FLOORBEAM STIFFENER FOUND CRACK AT LBL 40 ( CRACK LENGTH 1.125" ). MEC COMPT STA 246 FLOORBEAM STIFFENER REPAIRED AS PER SRM 53-10-51- 2R4 FIG 201 AT LBL 40. THIS IS CLASSIFIED A MAJOR REPAIR WITH MATERIAL 7075T6-0063. REPAIR SIZE 15" X 3" THIS IS A CATEGORY 'B' REPAIR MUST BE INSPECTION AS PER SRM 53-10-51-2R4 FIG 201 SHEET 2 TABLE II IPXA MPI P20952 ISSUED FOR THE REPEAT INSP.

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