Service difficulty report · Stiffener · Boeing 7272M7

Difficulty date
March 2, 2004
Submitted
March 29, 2004
Operation
Air carrier
Aircraft
N750DH
Make and model
Boeing 7272M7
Aircraft serial
21951
Aircraft time
36,313 hours, 19,798 cycles
Part
Stiffener
Condition
Cracked
Location
Lt Wing
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

DURING -C- CHECK, DISCREPANCY AS FOLLOWS; LEFT WING L/E CAVITY WBL 92 INT FRAME INBOARD SIDE UPPER STIFFENER 1ST FWD OF SPAR HAS UPPER END CRACKED. CUT OUT DAMAGE AREA & FABRICATED DOUBLER FROM 2024 T3 .040 PO 900226, 7 X 1.5 X 1.5 INCH, FILLER FROM 2024T3 .032 PO 900534 3.5 X 1 X 1 INCH IAW B727 SRM 51-40-3 FIG 1. TREATED & PRIMED IAW B727 SRM 51-10-2, INSTALLED DOUBLER & FILLER IAW B727 SRM 51-40-3 FIG 1.

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