SDR FDEA201703150896

Service difficulty report · Doubler · Doug MD11F

Difficulty date: March 15, 2017
Submitted: March 24, 2017
Operation: Air carrier
Aircraft: N589FE
Make and model: Doug MD11F
Aircraft serial: 48491
Aircraft time: 78,592 hours, 16,771 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Doubler
Part number: ARB39545
Condition: Cracked
Location: Lt Wing Rib
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

LEFT WING LEADING EDGE CAVITY AT XOS 667, RIB DOUBLER CRACKED. THE RIB DOUBLER WAS REMOVED IAW SRM 51-31-01-0G. A NEW DOUBLER WAS FABRICATED IAW DRAWING ARB3954, REVISION K, AND INSTALLED IAW SRM 51-31-01-0G. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100.

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