SDR FDEA201204091323

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: ARC050312
Condition: Corroded
Location: Zone 600
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

RT WING (WING SIDE) OTBD FLAP, OTBD HINGE, OTBD ACTUATOR HOLE FOUND CORRODED. REWORKED AND FOUND EXCEED LIMIT IAW CMM 57-44-09, REV 72. EXISTING BORE DIAMETER 1.222". FINAL BORE DIAMETER 1.246", MAXIMUM ALLOWABLE DIAMETER 1.220". REPAIR CARRIED OUT EA 1-5750-160026, PART 1, STEPS 1, 4, 5, 6 AND 7. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 114.

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