Service difficulty report · Bracket · Doug MD11F

Difficulty date
December 17, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
92,908 hours, 21,886 cycles
Part
Bracket
Part number
ARC50213
Condition
Corroded
Location
Zone 500
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 - WING SIDE OUTBOARD FLAP INBOARD HINGE BARREL NUT HOLE SURFACE FOUND CORROSION. CORROSION AT LEFT WING - WING SIDE OUTBOARD FLAP INBOARD HINGE BARREL NUT HOLE SURFACE REWORKED AS PER MD-11 CMM 57-44-08 AND FOUND BARREL NUT WALL THICKNESS UPPER AND LOWER SURFACE EXCEED LIMIT BASED THE DIFFERENCE BETWEEN DRAWING LIMITS AND CMM MAXIMUM REWORK LIMITS. REPAIR SHIM FABRICATED AND INSTALLED AS PER MD-11 CMM 57-44-08 AND E.A.# 1-5750-T0365867 PART 1 STEP 1E AND STEP 1, TITLE: WINGS- FLIGHT SURFACES- EO 1-5750-7-5002- LH WING- OUTBD FLAP INBD HINGE (WING SIDE) CORROSION REPAIR. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100. REFER TO SNRM NUMBER N00400 ATTACHED E.A.# 1-5750-T0365867 PART 1 FOR DETAILS.

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