SDR FDEA201910102556

Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date: October 10, 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 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, OUTBOARD FLAP, INBOARD FORWARD HINGE (WING SIDE), INBOARD FWD MOUNT BORE WAS CORRODED. THE CORROSION WAS REWORKED 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-T0350113, PART 1, STEP 1B, AND STEP 1. THE REPAIR WAS CLASSIFIED AS MINOR IAW GMM 6-2-100.

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