SDR FDEA2018090512309

Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date: August 31, 2018
Submitted: September 5, 2018
Operation: Air carrier
Aircraft: N588FE
Make and model: Doug MD11F
Aircraft serial: 48490
Aircraft time: 82,518 hours, 18,034 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Bracket
Part number: ARC050312
Condition: Corroded
Location: Rt 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

RT WING O/B FLAP ASSY O/B FWD HINGE (WING SIDE) BARREL NUT UPPER BOLT HOLE CORROSION. HINGE BARREL NUT UPPER BOLT HOLE (NR 7 HOLE) REWORKED AND FOUND EXCEED LIMIT AS PER CMM 57-44-09, EXISTING HOLE DIA 0.327", FINAL HOLE DIA 0.406" MAXIMUM ALLOWABLE HOLE DIA 0.391", OVERSIZED BUSHING FABRICATED AND INSTALLED AS PER CMM 57-44-09 AND EA 1-5750-127785 A P2 STEP 1B AND STEP 1. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100.

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