Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
April 23, 2006
Submitted
May 10, 2006
Operation
Air carrier
Aircraft
N278UP
Make and model
Doug MD11F
Aircraft serial
48577
Aircraft time
41,138 hours, 5,898 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB74131
Condition
Corroded
Location
Lws 780-823
Stage of operation
IN
How discovered
9
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

INSPECTION TYPE:1C LT WING UPPER O/B TRAILING EDGE FIXED PANEL I/B LEADING EDGE BULGING OUT JUST O/B OF NR 5 SPOILER. BULGE FOUND TO BE EXFOLIATION CORROSION. REMOVED CORROSION AND REPAIRED IAW SAA EA 011-5700-01-A0173, UPS ENGINEERING FILE MD11-57-20057, AND FAA FORM 8100-9.

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