Service difficulty report · Bracket · Doug MD11F

Difficulty date
September 17, 2021
Submitted
September 29, 2021
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11F
Aircraft serial
48478
Aircraft time
84,111 hours, 15,761 cycles
Part
Bracket
Part number
ARC050213
Condition
Corroded
Location
Lt Wing Te Flap
Stage of operation
IN
How discovered
9
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 HAND WING - OUTBOARD FLAP ASSEMBLY. INBOARD FORWARD HINGE (WING SIDE) BARREL NUT SURFACE CORROSION. CORROSION AT LEFT HAND WING - OUTBOARD FLAP ASSEMBLY. INBOARD FORWARD HINGE (WING SIDE) BARREL NUT SURFACE REWORKED AS PER MD-11 CMM 57-44-08 AND FOUND UPPER AND LOWER FACE EXCEED LIMIT BASED THE DIFFERENCE BETWEEN DRAWING LIMITS AND CMM MAXIMUM REWORK LIMITS FOR BARREL NUT HOLE. REPAIR SHIM FABRICATED AND INSTALLED AS PER MD-11 CMM 57-44-08 AND E.A. # 1-5750-T0363974 PART 1 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 N00688 ATTACHED E.A. # 1-5750-T0363974 PART 1 FOR DETAILS.

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