Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
April 9, 2022
Submitted
April 11, 2022
Operation
Air carrier
Aircraft
N594FE
Make and model
Doug MD11F
Aircraft serial
48552
Aircraft time
90,001 hours, 18,931 cycles
Part
Spar Cap
Part number
ARB74131
Condition
Corroded
Location
Zone 500
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

AFTER LEFT HAND OUTBOARD ISLAND REMOVAL FOR ACCESS LEFT HAND WING REAR SPAR UPPER CAP AFT FLANGE XORS = 1049 FOUND CORROSION. LEFT HAND WING REAR SPAR UPPER CAP AFT FLANGE XORS = 1049 CORROSION REMOVED AND FOUND EXCEED LIMIT AS PER SRM 57-00-10-1A ALLOWABLE DAMAGE 1 FIGURE 101. LEFT HAND WING REAR SPAR UPPER CAP AFT FLANGE XORS = 1049 REPAIR CARRIED OUT AS PER EA 1-5710-T0367624 PART 1 TITLE: WINGS - LEFT HAND REAR SPAR - UPPER AFT TANG - CORROSION REMOVAL AND REPAIR. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100.

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