SDR 2005FA0000169

Service difficulty report · Lifter · Cessna 210N

Difficulty date: October 25, 2004
Submitted: March 2, 2005
Operation: General aviation
Aircraft: N6484A
Make and model: Cessna 210N
Aircraft serial: 21063535
Engine: Cont IO520L
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Lifter
Part number: 653877
Condition: Spalled
Location: Engine
Part time: 884 hours
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

DURING SCHEDULED OIL CHANGE, METAL WAS FOUND IN THE FILTER. FURTHER INVESTIGATION DISCOVERED THE TAPPETS STARTING TO FAIL. THIS CONDITION CAN BE A RESULT OF IMPROPER HEAT-TREATING. WITHOUT BEING FAMILIAR WITH MFG PROCESS, CAN NOT RECOMMEND A PLAN FOR PREVENTIVE ACTION. (K)

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