Service difficulty report · Skin · Doug MD11F

Difficulty date
May 19, 2014
Submitted
May 20, 2014
Operation
Air carrier
Aircraft
N601FE
Make and model
Doug MD11F
Aircraft serial
48401
Aircraft time
71,654 hours, 17,609 cycles
Part
Skin
Part number
ARB2886503
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

FOUND CRACK ON INBD FWD CORNER OF SLAT DRIVE MECHANISM DOOR CUT OUT LT WING. CONFIRMED CRACK BY HFEC INSPECTION IAW NDTSPM PT 6. PERFORMED HFEC INSPECTION IAW NTM 20-00-00 PART 6, NO DEFECTS NOTED. INSPECTED DAMAGE REMOVAL, NOT ACCEPTED. RADIUS ON DAMAGE REMOVAL LESS THAN THE 0.50" MIN RADIUS. DAMAGE REMOVAL INSPECTED IN PREVIOUS SHORT SIGN WAS NOT COMPLETED YET. INSPECTED AGAIN & FOUND TO COMPLY WITH SRM 57-40-02 REPAIR 7 FIGURE 202. PERFORMED HFEC INSPECTION OF DAMAGE REMOVAL IAW NTM CHAPT 20-00-00 PART 6, NO DEFECTS NOTED. REMOVED FASTENERS AT DAMAGE LOCATION IAW SRM 57-40-02 REPAIR 7 FIG 202. FABRICATED DOUBLER FROM MAT PN 6AL4V063. OK TO INSTALL REPAIR IAW SRM 54-40-02.

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