Service difficulty report · Skin · Doug MD11F

Difficulty date
July 8, 2023
Submitted
July 11, 2023
Operation
Air carrier
Aircraft
N643FE
Make and model
Doug MD11F
Aircraft serial
48486
Aircraft time
76,363 hours, 18,402 cycles
Part
Skin
Part number
ARB74023
Condition
Cracked
Location
Zone 500
Stage of operation
IN
How discovered
E
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 HIGH FREQUENCY EDDY CURRENT OPEN HOLE INSPECTION ON LT WING OUTER WING LOWER SKIN ACCESS DOOR CUT-OUT BETWEEN XORS 683.4 AND XORS 713.6, CRACK INDICATION FOUND ON FASTENER HOLES NR 9, 10, 12, 13, 15 AT 6 O'CLOCK, FASTENER HOLE NR 26 AT 9 O'CLOCK & FASTENER HOLE NR 34 AT 12 O'CLOCK WITH VIEW LOOKING UP AND FORWARD. LT WING OUTER WING LOWER SKIN ACCESS DOOR CUT-OUT BETWEEN XORS 683.4 & XORS 713.6, CRACKED AT FASTENER HOLES NR 9, 10, 12, 13, 15, 26, 34 CARRIED OUT REPAIR IAW SRM 57-20-02-2R REPAIR 5 FIGURE 201. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100. INITIAL INSPECTION AT 2000 FLT CYCLES WITH REPETITIVE INSPECTION AT EVERY 2000 FLT CYCLES IAW SRM 57-20-02-2R TABLE 201/REPAIR 5 FIGURE 202.

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