Service difficulty report · Doubler · Doug MD88

Difficulty date
August 3, 2015
Submitted
August 7, 2015
Operation
Air carrier
Aircraft
N906DL
Make and model
Doug MD88
Aircraft serial
49537
Aircraft time
74,240 hours, 56,908 cycles
Part
Doubler
Condition
Cracked
Location
Bs 425
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

TWO CRACKS ON INTERNAL PRODUCTION DOUBLER WERE FOUND AT LWR AFT CORNER DOOR JAMB BS 425 BETWEEN LONGERON 26-27R. DAMAGE INTERNAL PRODUCTION DOUBLER WAS REMOVED IAW SRM 53-05, FIG 105. HFEC WAS PERFORMED IAW NDT SPM 06-10-01-001, AND NO CRACKS WERE FOUND AROUND OF AREA AFTER CUT OUT DAMAGE. REPAIR PARTS WERE FABRICATED IAW SRM 53-05, FIG 105. REPAIR AREA AND REPAIR PARTS WERE TREATED AND PAINTED IAW 51-10-3, PAR 21,14. CONICAL WASHER WERE INSTALLED IAW MD-88 53-05, FIG 105. REPAIR PARTS WERE INSTALLED IAW SRM 51-30-5.

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