Service difficulty report · Stiffener · Boeing 767300

Difficulty date
May 24, 2010
Submitted
May 28, 2010
Operation
Air carrier
Aircraft
N317UP
Make and model
Boeing 767300
Aircraft serial
27745
Aircraft time
37,230 hours, 11,380 cycles
Part
Stiffener
Condition
Cracked
Location
Bs 246
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, MAIN EQUIPMENT CTR STA246 LBL40 UPPER STIFFENER FOUND CRACK MAIN EQUIP CTR STA246 LBL40 STIFFENER REPAIRED IAW SRM 53-10-51-2R4 FIG 201, ORG MATL BAC1490-2793-7075T62, CRK LENGTH 1.75" THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH MATL 7075T6-0.063" AS STIFFENER CLAD7075T6-0.080" AS REPAIR DOUBLER. REPEAT INSP AT 3000 TAC OR 24 MONTHS WHICHEVER OCCURS FIRST IS REQUIRED, REPAIR LENGTH IS 14.5625"

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