Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
July 26, 2023
Submitted
July 26, 2023
Operation
Air carrier
Aircraft
N609FE
Make and model
Doug MD11F
Aircraft serial
48549
Aircraft time
93,650 hours, 22,661 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB74142
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

RIGHT WING OUTBOARD ISLAND INTERIOR REAR SPAR CAP LOWER AREA APPROXIMATE STATION XW 905 FOUND WITH CORROSION. CORROSION AT RIGHT HAND WING OUTBOARD ISLAND INTERIOR REAR SPAR CAP APPROXIMATE STATION XORS1044 AND XORS1082 REMOVED AS PER MD-11 SRM 51-21-01-0G AND FOUND EXCEEDED LIMITS AS PER MD-11 SRM 57-00-10-1A FIGURE 101 SHEET 1 ALLOWABLE DAMAGE 1. CORROSION AT RIGHT HAND WING OUTBOARD ISLAND INTERIOR REAR SPAR CAP APPROXIMATE STATION XORS1044 AND XORS1082 REPAIRED AS PER EA#1-5710-T0375528 P1 TITLE: WINGS - BASIC WING STRUCTURE - REINFORCING REPAIR PLAN TO RH WING LOWER REAR SPAR CAP EXFOLIATION CORROSION BETWEEN XORS 1044 AND XORS 1082. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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