SDR FDEA201204091312

Service difficulty report · Hinge Fitting · Doug MD11F

Difficulty date: April 9, 2012
Submitted: April 9, 2012
Operation: Air carrier
Aircraft: N577FE
Make and model: Doug MD11F
Aircraft serial: 48469
Aircraft time: 60,991 hours, 13,172 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Fitting
Part number: ARC0503503
Condition: Corroded
Location: Zone 500
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

LT WING (WING SIDE) OTBD FLAP, OTBD HINGE SIDE LOAD FITTING SURFACE FOUND CORROSION. REWORKED IAW CMM 20-11-02, REVISION 72. UPPER EXISTING THICKNESS: 0.425", MATERIAL REMOVED: 0.009", REMAINING THICKNESS: 0.416". LOWER EXISTING THICKNESS: 0.413", MATERIAL REMOVED: 0.010", REMAINING THICKNESS: 0.403". REPAIR ACCOMPLISHED IAW EA NR 1-5750-160020 PART 1, STEPS 5, 7 AND 8. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100 REV 114.

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