Service difficulty report · Doubler · Doug MD11F

Difficulty date
September 26, 2019
Submitted
November 19, 2019
Operation
Air carrier
Aircraft
N586FE
Make and model
Doug MD11F
Aircraft serial
48487
Aircraft time
87,323 hours, 20,619 cycles
Part
Doubler
Part number
ARB71771
Condition
Corroded
Location
Lt 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

LEFT HAND WING - UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER FOUND CORROSION AT STATION XW 212. LEFT HAND WING UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER STATION XW212 AREA CORROSION REMOVED AND FOUND EXCEEDED LIMIT AS PER SRM 57-20- 01-1A ALLOWABLE DAMAGE 1 FIGURE101 MATERIAL REMOVED EXCEEDED : 0.100" ,MINIMUM THICKNESS REMAINING 0.048". REPAIR CARRIED OUT AS PER EA 1-5730-T0349794 PART 1 TITLE: WINGS - PLATES AND SKINS - LH WING - CORROSION FOUND ON MLG SUPPORT UPPER DOUBLER BETWEEN STRINGER NO.1 AND INNER REAR SPAR. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100. LEFT HAND WING REPAIR AREA FUEL LEAK CHECK CARRIED OUT AS PER AMM 12-11-04 FOUND SATISFACTORY.

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