SDR FDEA2019101432626

Service difficulty report · Hinge Fitting · Doug MD11F

Difficulty date: October 13, 2019
Submitted: November 4, 2019
Operation: Air carrier
Aircraft: N601FE
Make and model: Doug MD11F
Aircraft serial: 48401
Aircraft time: 83,730 hours, 21,461 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Fitting
Condition: Corroded
Location: Lt Wing Te Flap
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, INBOARD FLAP OUTBOARD FORWARD HINGE (WING SIDE) PIVOT HOLE BORE CORRODED. THE CORROSION WAS REWORKED AND FOUND TO EXCEED LIMITS CMM 57-44- 07. AN OVERSIZED REPAIR BUSHING WAS FABRICATED AND INSTALLED CMM 57-44-07 AND EA 1-5750-T0321648 D PART 3, STEP 1A, AND STEP 1C. THE REPAIR WAS CLASSIFIED AS MAJOR IAW GMM 6-2-100.

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