Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
July 27, 2011
Submitted
August 12, 2011
Operation
Air carrier
Aircraft
N294UP
Make and model
Doug MD11F
Aircraft serial
48472
Aircraft time
69,948 hours, 10,656 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB74132
Condition
Corroded
Location
Rt Wing
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

INSP TYPE:3C, RT WING UPPER T/E PANEL BULGING ABOVE REAR SPAR CAP AT APPRX STA. XORS 675-690. GAINED ACCESS TO CORROSION ON AFT FLANGE OF RT REAR SPAR UPPER CAP AT XORS 675-690. CORROSION EXCEEDED ALLOWABLE LIMITS IAW SRM 57-00-10. REPAIRED CORROSION IAW STA SA EA 011-5710-01-A3313 REV IR AND EO MD11-5710-43763-A. RESTORED AREA.

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