Service difficulty report · Hinge Bracket · Doug MD11F

Difficulty date
May 5, 2019
Submitted
May 15, 2019
Operation
Air carrier
Aircraft
N572FE
Make and model
Doug MD11F
Aircraft serial
48755
Aircraft time
70,877 hours, 14,851 cycles
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

RIGHT WING - WING SIDE OUTBOARD FLAP OUTBOARD HINGE BARREL NUT HOLE SURFACE FOUND CORROSION. CORROSION AT RIGHT WING - WING SIDE OUTBOARD FLAP OUTBOARD HINGE BARREL NUT HOLE SURFACE REWORKED AS PER CMM 57-44-09. REPAIR EVALUATED AND FOUND LOWER BARREL NUT FACE REMAINING THICKNESS : 0.367" EXCEED LIMIT BASED THE DIFFERENCE BETWEEN DRAWING LIMITS AND CMM MAX REWORK LIMITS FOR BARREL NUT HOLE. MIN. THICKNESS : 0.3765" ACCEPTED PER EA # : 1-5750-T0346666 P1 STEP 2 FIGURE 3. TITLE: WINGS- FLIGHT SURFACES- EO 1-5750-7-5002- RT WING OUTBD FLAP, OUTBD FWD HINGE (WING SIDE) - CORROSION REPAIR. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100. REFER TO EA # : 1-5750-T0346666 P1 AND SNRM NR N00479 FOR WORK DETAILS.

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