SDR FDEA201305060916

Service difficulty report · Rib · Doug MD11F

Difficulty date: May 6, 2013
Submitted: May 6, 2013
Operation: Air carrier
Aircraft: N580FE
Make and model: Doug MD11F
Aircraft serial: 48471
Aircraft time: 68,160 hours, 14,780 cycles
System (JASC): 5754 · Leading Edge Devices
Part: Rib
Part number: ARB171410
Condition: Worn
Location: Nr 4 Slat
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 NR 4 L/E SLAT INBD SLAT TRACK RIB FWD HOLE FOUND WORN AFTER REMOVAL OF NR 3 SLAT. NR 4 SLAT REWORKED IAW SRM 57-40-02 REPAIR 10, FIGURE 201, REVISION 52. FINAL HOLE DIAMETER 1.125" AND THE CHAFING MARK STILL EXIST, REPAIR ACCOMPLISHED IAW EA 1-5750-166123. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 116.

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