SDR FDEA201211304215

Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date: November 30, 2012
Submitted: December 12, 2012
Operation: Air carrier
Aircraft: N579FE
Make and model: Doug MD11F
Aircraft serial: 48470
Aircraft time: 65,254 hours, 13,965 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Hinge Bracket
Part number: ARC050311
Condition: Corroded
Location: Lt Wing Te Flap
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 FWD HINGE BRACKET SIDE LOAD FITTING UPPER BORE SURFACE FOUND CORRODED. REWORKED AS PER CMM 20-10-6 REVISION 74. EXISTING THICKNESS: 0.452", MATERIAL REMOVED: 0.004", REAMINING THICKNESS: 0.448" FOUND ACCEPTABLE PER EA 1-5750-162399 PART1 PAGE 6 OF 18. REPAIR CARRIED OUT AS PER E.A. 1-5750-162399 STEPS 1, 2, 3 AND 6 PART 1. REPAIR CLASSIFIED AS MAJOR AS PER GMM 6-2-100 REVISION 115.

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