SDR FDEA201203190999

Service difficulty report · Hinge Fitting · Doug MD11F

Difficulty date: March 19, 2012
Submitted: April 4, 2012
Operation: Air carrier
Aircraft: N576FE
Make and model: Doug MD11F
Aircraft serial: 48501
Aircraft time: 64,304 hours, 13,588 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Fitting
Part number: ARC050311
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

LEFT WING OTBD FLAP, OTBD FORWARD HINGE BRACKET SIDE LOAD FITTING ATTACH SURFACE FOUND CORRODED. SURFACE REWORKED IAW CMM 57-44-09, REV 72. EXISTING THICKNESS UPPER 0.467", LOWER 0.467", REMAINING THICKNESS UPPER 0.465", LOWER 0.464". MATERIAL REMOVED: UPPER 0.002", LOWER 0.003". REWORKED CARRIED OUT IAW EA 1-5750-157156, PART 1. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100 REV 114.

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