SDR FDEA201508172587

Service difficulty report · Hinge · Doug MD11F

Difficulty date: August 17, 2015
Submitted: August 17, 2015
Operation: Air carrier
Aircraft: N631FE
Make and model: Doug MD11F
Aircraft serial: 48454
Aircraft time: 940 hours, 17,484 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge
Part number: ARC050311
Condition: Corroded
Location: Lt Wing
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 OTBD FLAP, OTBD FWD HINGE, WING SIDE, UPPER BARREL NUT HOLE BORE CORROSION. CORROSION AT HOLE NR 7 REWORKED & FOUND EXCEEDS LIMIT IAW CMM 57-44-09. EXISTING HOLE 0.390", FINAL HOLE 0.407", MAXIMUM ALLOWABLE HOLE 0.391". OVERSIZED BUSHING FABRICATED BY MACHINING & INSTALLED IAW EA 1-5750-T0319681 PART 1 STEP 1D. REFER TO WRI 57502323 FOR WORK DETAILS. REPAIR CLASSIFIED AS MINOR IAW GMM 6-2-100.

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