SDR FDEA201203191009

Service difficulty report · Hinge Bracket · 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 Bracket
Part number: ARC251503
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 INBD FLAP, OTBD AFT HINGE BRACKET PIVOT INBD LUG BORE FOUND CORRODED. BORE REWORKED AND FOUND EXCEED LIMIT IAW CMM 57-52-03, REV 72. EXISTING DIAMETER 1.217", FINAL DIAMETER 1.253", MAXIMUM ALLOWABLE DIAMETER 1.220". REPAIR ACCOMPLISHED IAW EA 1-5750-157160 PART 1. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 114.

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