Service difficulty report · Doubler · Doug MD11F

Difficulty date
August 25, 2021
Submitted
September 16, 2021
Operation
Air carrier
Aircraft
N631FE
Make and model
Doug MD11F
Aircraft serial
48454
Aircraft time
106,889 hours, 21,670 cycles
Part
Doubler
Part number
ARB39546
Condition
Cracked
Location
Rt 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

RIGHT WING Ï¿½ FIXED LEADING EDGE RIB DOUBLER AT STATION XOS 667 FOUND CRACK. CRACK 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 STATION XOS 667 AS PER SRM 51-33-01-0G. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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