Service difficulty report · Spar · Doug MD11F

Difficulty date
April 26, 2007
Submitted
April 26, 2007
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
53,940 hours, 11,444 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
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, REAR SPAR LOWER CAP AT ABOUT STA XORS 1046-1050 FOUND WITH CORROSION. [SUP 05-14-07] REMOVED AS PER SRM 51-21-01 VOLUME II. MATERIAL REMOVED= 0.064", ORIGINAL THICKNESS= 0.108", REMAINING THICKNESS= 0.044", AND EXCEEDED LIMITS AS PER SRM 57-20-00 VOLUME I, FIGURE 16. REPAIR CARRIED OUT ON REWORKED AREA AS PER FEDEX EA 1-5710-109870. REPAIR CLASSIFIED AS MAJOR PER GMMM 6-2-100.

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