Service difficulty report · Doubler · Doug MD11F

Difficulty date
August 16, 2020
Submitted
October 9, 2020
Operation
Air carrier
Aircraft
N582FE
Make and model
Doug MD11F
Aircraft serial
48420
Aircraft time
89,879 hours, 21,552 cycles
Part
Doubler
Part number
ARB71772
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 HAND WING, UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER OUTBOARD SIDE APPROXIMATE STATION XW 229.5 AREA FOUND CORROSION. RIGHT HAND WING, UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER OUTBOARD SIDE APPROXIMATE STATION XW 229.5 AREA CORROSION REMOVED. FOUND EXCEED LIMIT AS 0.100 INCHES MAXIMUM MATERIAL REMOVAL FOR GENERAL CORROSION. REMOVAL PER SRM 57-20-01-1A FIGURE 101 ALLOWABLE DAMAGE 1 AND REPAIRED, AS PER EA NR 1-5730-T0355692 PART 1 TITLE: WINGS-PLATES AND SKINS-RT WING-CORROSION FOUND ON MLG SUPPORT UPPER DOUBLER BETWEEN XW 212 AND XW 229.5. REPAIR CLASSIFIED AS MAJOR, PER GMM 6-2-100.

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