Service difficulty report · Piston · Cessna A185F

Difficulty date
May 27, 2008
Submitted
July 18, 2008
Operation
Air carrier
Aircraft
N121EE
Make and model
Cessna A185F
Aircraft serial
18503765
Engine
Cont IO520D
Part
Piston
Part number
SA631475
Condition
Broken
Location
Engine
Part time
1,185 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AT OIL CHANGE, FOUND ALUMINUM CONTAMINATION IN OIL FILTER ELEMENT. INVESTIGATION FOUND BROKEN PISTON SKIRT AND RING PARTS IN OIL PAN FROM NR 4 CYLINDER. NR 4 PISTON SKIRT WAS BROKEN AT LOWEST RING, AT BOTTOM OF PISTON HALF, TOTAL SKIRT WAS BROKEN OFF THIS PISTON , FOUND 5/27/2008. (K)

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