Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
June 24, 2025
Submitted
June 24, 2025
Operation
Air carrier
Aircraft
N525FE
Make and model
Doug MD11F
Aircraft serial
48565
Aircraft time
90,438 hours, 19,228 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB74132
Condition
Corroded
Location
Zone 600
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

UPON UPPER SURFACE TRAILING EDGE FIXED PANEL REMOVAL FOR LOWER CAP CORROSION TREATMENT ACCESS UPPER CAP FOUND CORROSION AT STATION XORS 1031.5. RIGHT HAND WING UPPER CAP AT STATION XORS 1031.5 CORROSION REMOVED AND FOUND EXCEED LIMIT AS PER MD-11 SRM 57-00-10-1A ALLOWABLE DAMAGE 1 FIGURE 101. REPAIR CARRIED OUT AS PER EA# 1-5710-T0383767P1 TITLE : WINGS - BASIC WING STRUCTURE - CORROSION, RH OUTER WING REAR SPAR UPPER CAP AFT FLANGE UPPER SURFACE, BETWEEN XORS 1026 AND XORS 1063. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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