Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
February 11, 2010
Submitted
February 17, 2010
Operation
Air carrier
Aircraft
N329UP
Make and model
Boeing 76734AF
Aircraft serial
27755
Aircraft time
32,758 hours, 9,489 cycles
Part
Stiffener
Part number
141T514637
Condition
Cracked
Location
Floorbeam
Stage of operation
IN
How discovered
9
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, CABIN FLOOR SUPPORT BEAM STA246 LBL40 FWD STIFFENER FOUND CRACKED MEC CABIN FLOOR SUPPORT STA 246 LBL40 INCH STIFFENER REPAIRED AS PER SRM 53-10-51-2R4 FIG 201 REV46, ORG MATL IS BAC1490-2793-7075T62, CRACK LENGTH IS 1 INCH, THIS REPAIR IS CLASSIFID AS A MAJOR REPAIR. REPEAT INSP AT 3000 FLIGHT CYC OR 24 MONTHS WHICHEVER OCCURS FIRST IS REQ PER SRM 53-10-51-2R4 FIG 201 TABLE 2 REV 46. REPAIR LENGTH IS 14.5 INCHES.

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