Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date
March 6, 2017
Submitted
March 15, 2017
Operation
Air carrier
Aircraft
N583FE
Make and model
Doug MD11F
Aircraft serial
48421
Aircraft time
82,122 hours, 18,410 cycles
Part
Hinge Bracket
Part number
ARC050311
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 WING OUTBOARD FLAP OUTBOARD FORWARD HINGE (WING SIDE) LOWER MOUNT OUTBOARD BORE SURFACE CORROSION. HINGE REWORKED AND FOUND EXCEEDED LIMIT AS PER CMM 57-44-09. EXISTING THICKNESS 0.405", MATERIAL REMOVED 0.005", REMAINING THICKNESS 0.400". MINIMUM ALLOWABLE THICKNESS 0.408". SHOULDER BUSHING MACHINING AND INSTALLED AS PER EA 1-5750-T0331713 PART 1 STEP 2A AND STEP 2. REPAIR SHIM FABRICATED AND INSTALLED AS PER EA 1-5750-T0331713 PART 1 STEP 2. REPAIR CLASSIFIED MINOR PER GMM 6-2-100.

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