Service difficulty report · Doubler · Doug MD11F

Difficulty date
October 4, 2020
Submitted
October 5, 2020
Operation
Air carrier
Aircraft
N603FE
Make and model
Doug MD11F
Aircraft serial
48459
Aircraft time
82,662 hours, 19,855 cycles
Part
Doubler
Part number
ARB71772
Condition
Corroded
Location
Rt Mlg Ww
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

RIGHT HAND WING, UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER FOUND CORROSION. FOUND CORROSION YW 467 RIGHT HAND WING UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER YW 467. CORROSION REMOVED AND FOUND EXCEED LIMIT AS 0.100" MAXIMUM MATERIAL. REMOVAL FOR GENERAL CORROSION REMOVAL, PER SRM 57-20-01-1A FIGURE 101 ALLOWABLE DAMAGE 1 AND CARRIED OUT REPAIR, AS PER EA: 1-5730-T0356755 PART 1. TITLE: WINGS-PLATES AND SKINS-RT WING-CORROSION FOUND ON MLG SUPPORT UPPER DOUBLER BETWEEN AUX SPAR AND YW 467. REPAIR CLASSIFIED AS MAJOR, PER GMM 6-2-100.

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