Service difficulty report · Bracket · Doug MD11F

Difficulty date
December 17, 2021
Submitted
December 24, 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
ARC050312
Condition
Corroded
Location
Zone 600
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 MD-11 CMM 57-44-09 AND FOUND BARREL NUT WALL THICKNESS UPPER AND LOWER SURFACE EXCEED LIMIT BASED THE DIFFERENCE BETWEEN DRAWING AND CMM MAXIMUM REWORK LIMITS. REPAIR SHIM FABRICATED AND INSTALLED AS PER MD-11 CMM 57-44-09 AND E.A.# 1-5750-T0365888 PART 1 STEP 2, TITLE: WINGS- FLIGHT SURFACES- EO 1-5750-7-5002- RH WING- OUTBD FLAP, OUTBD FWD HINGE (WING SIDE) - CORROSION REPAIR. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100. REFER TO SNRM NUMBER N00439 ATTACHED E.A.# 1-5750-T0365888 PART 1 FOR DETAILS.

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