Service difficulty report · Doubler · Doug MD11F

Difficulty date
June 7, 2021
Submitted
June 21, 2021
Operation
Air carrier
Aircraft
N578FE
Make and model
Doug MD11F
Aircraft serial
48458
Aircraft time
76,596 hours, 20,997 cycles
Part
Doubler
Part number
ARB39548
Condition
Cracked
Location
Rt 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

RIGHT WING Ï¿½ FIXED LEADING EDGE RIB DOUBLER AT XOS 789 FOUND CRACK. CRACKED RIB DOUBLER REMOVED AS PER SRM 51-31-01-0G AND FABRICATED DOUBLER PER DOUGLAS DRAWING ARB3954 REVISION K. INSTALLED FABRICATED DOUBLER AT RIGHT WING FIXED LEADING EDGE AT XOS 789 AS PER SRM 51-33-01-0G. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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