SDR FDEA201508172595

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: ARC050213
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, INBD FWD HINGE, WING SIDE, FWD MOUNT OTBD HOLE BORE CORROSION. CORROSION AT HOLE NR 6 REWORKED & FOUND EXCEEDS LIMIT IAW CMM 57-44-08. EXISTING HOLE DIAMETER 1.253", FINAL HOLE DIAMETER 1.258", MAX ALLOWABLE HOLE DIAMETER 1.254". OVERSIZED BUSHING FABRICATED BY MACHINING & INSTALLED IAW EA 1-5750-T0319682 PART 1 STEP 1B. REPAIR CLASSIFIED AS MINOR IAW GMM 6-2-100.

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