SDR FDEA201910032423

Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date: October 3, 2019
Submitted: October 21, 2019
Operation: Air carrier
Aircraft: N597FE
Make and model: Doug MD11F
Aircraft serial: 48596
Aircraft time: 84,310 hours, 17,283 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Bracket
Part number: ARC050213
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

LEFT WING, WING SIDE OUTBOARD FLAP INBOARD HINGE ACTUATOR INBOARD LUG BORE FOUND CORRODED. THE CORROSION WAS WORKED AND FOUND TO EXCEED LIMITS IAW CMM 57-44-08. AN OVERSIZED BUSHING WAS FABRICATED, AND INSTALLED IAW CMM 57-44-08, AND EA 1-5750-T0349887, PART 1, STEP 3C, AND STEP 3. THE REPAIR WAS CLASSIFIED AS MINOR IAW GMM 6-2-100.

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