Service difficulty report · Fitting · Doug MD11F

Difficulty date
October 1, 2011
Submitted
October 28, 2011
Operation
Air carrier
Aircraft
N643FE
Make and model
Doug MD11F
Aircraft serial
48486
Aircraft time
48,609 hours, 9,839 cycles
Part
Fitting
Part number
ARB1665505
Condition
Corroded
Location
Lt Wing Slat
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

LT WING NR3 SLAT MIDDLE ATTACHMENT FITTING FOUND CORRODED AFTER SLAT REMOVAL. REWORKED AND FOUND WITHIN LIMIT AS PER MD-11 SRM 57-40-02 REV 47, FIGURE 201. ORIGINAL DIAMETER = 0.5015 INCH, REWORKED DIAMETER = 0.5785 INCH, MAXIMUM DIAMETER = 0.625 INCH. REPAIR BUSHING FABRICATED AND INSTALLED AS PER SRM 57-40-02 REV 47, FIGURE 201. CORROSION ON BOTH MIDDLE ATTACHMENT FITTING BORE HOLE SURFACES REMOVED AND FOUND EXCEEDED LIMIT AS PER SRM 57-40-02 REV 47, FIGURE 201. REPAIR CARRIED OUT AS PER EA 1-5740-149881. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100 REV 113.

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