Service difficulty report · Spar Cap · Doug MD11F

Difficulty date
November 19, 2019
Submitted
February 14, 2020
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
87,878 hours, 20,658 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

RH WING, AFT TOP WING SPAR HAS CORROSION AROUND FASTENER HOLE AT LOCATION APPROX XORS 846.3 REMOVED CORROSION PER SRM 51-21-01-0G. REF EA T 1-5710-T0351527 P1 "BASIC WING STRUCTURE - RH WING REAR SPAR UPPER CAP AFT LEG - REWORK." REWORKED AREA ACCEPTABLE AS IS.

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