Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
April 6, 2019
Submitted
April 9, 2019
Operation
Air carrier
Aircraft
N604FE
Make and model
Doug MD11F
Aircraft serial
48460
Aircraft time
82,150 hours, 19,954 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
ARB7413
Condition
Corroded
Location
Lt 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

L/H WING REAR SPAR UPPER CAP UPPER SURFACE FROM I/B OF O/B OF FLAP TO O/B OF O/B AILERON SHOW NUMEROUS OF SURFACE CORROSION (MARKED) REMOVED CORROSION PER E.A1-5710-T034511 PART 1 FROM XORS=486.600 - XORS=827.000. REMOVED CORROSION PER E.A.1-5710-T034511PART 2 FROM XORS=843.000-XORS=1070.000

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