Service difficulty report · Spar · Doug MD11F

Difficulty date
July 12, 2011
Submitted
July 13, 2011
Operation
Air carrier
Aircraft
N642FE
Make and model
Doug MD11F
Aircraft serial
48485
Aircraft time
47,830 hours, 9,742 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
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

RIGHT WING L/E FRONT SPAR LOWER DOUBLER AT STA XORS 815 FOUND CORROSION. CORROSION. REMOVED IAW SRM 51-21-01, REV 47 FOUND EXCEEDED LIMIT, ORIGINAL THICKNESS =0.180", MATERIAL REMOVED = 0.140", REMAINED THICKNESS = 0.040", DIA IS 6' X 2.375" IAW SRM 57-40-02, REPAIR 12, FIG 201, REV 47. LOWER DOUBLER REPAIR CARRIED OUT IAW SRM 57-40-02, REPAIR 12, FIG 203, REV 47. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 112.

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