Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
October 15, 2022
Submitted
October 17, 2022
Operation
Air carrier
Aircraft
N592FE
Make and model
Doug MD11F
Aircraft serial
48550
Aircraft time
90,228 hours, 20,570 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB74141
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 REAR SPAR LOWER CAP AFT FLANGE FOUND CORROSION AT XORS 1070. REPAIR CARRIED OUT AS PER EA 1-5710-T0371094 PART 1. TITLE: WINGS - BASIC WING STRUCTURE - REPAIR FOR EXTENSIVE EXFOLIATION CORROSION COMMON TO HORIZONTAL FLANGE OF ARB7414-1 LOWER REAR SPAR CAP BETWEEN XORS 1057 AND XORS 1076. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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