Service difficulty report · Stiffener · Boeing 7272M7

Difficulty date
February 25, 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 Le
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, LT WING L/E CAVITY WBL 92 INT FRAME STIFFENER 1ST FWD OF SPAR HAS LOWER END CRACKED THRU FASTENER. CUT OUT DAMAGED AREA AND FABBED FILLER FROM 7075-T6 .040 PO 900226 DIM 5 X 2 X 2 INCH AND DOUBLER FROM 7075-T6 .050 PO 900489 DIM 7 X 2 X 2 INCH IAW 727 SRM 57-20-2 FIG 1 & 51-40-3 FIG 1. PARTS TREATED & PRIMED IAW 727 SRM 51-10-2 AND INSTALLED IAW 727 SRM 51-40-3 FIG 1.

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