SDR FDEA201807171740

Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date: July 17, 2018
Submitted: July 17, 2018
Operation: Air carrier
Aircraft: N605FE
Make and model: Doug MD11F
Aircraft serial: 48514
Aircraft time: 80,858 hours, 19,323 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Bracket
Part number: ARC050213
Condition: Corroded
Location: Lt Wing
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

LT O/B FLAP I/B FWD (WING SIDE) HINGE LOWER MOUNT I/B HOLE BORE FOUND WITH CORROSION. FWD HINGE LOWER MOUNT I/B HOLE BORE (NR 7 HOLE) REWORKED AND FOUND EXCEED LIMIT AS PER CMM 57-44-08. EXISTING HOLE DIA 0.650", FINAL HOLE DIA 0.713", MAXIMUM ALLOWABLE HOLE DIA 0.709". SHOULDER BUSHING FABRICATED AND INSTALLED AS PER EA 1-5750-T0341052 PART 1 STEP 2B, 2C AND STEP 2. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100.

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