NEWBURY, OH, USA
N3924L
EIPPER MX2
THE ULTRALIGHT HAD NOT BEEN FLOWN FOR 8 MONTHS. PLT RPTED THAT AFTER TAKEOFF THE ENG QUIT. FUEL HAD NOT BEEN ADDED SINCE PRIOR OCT. EXAMINATION OF ENG REVEALED CRACKS IN THE EXHAUST SYSTEM, EVIDENCE OF OVERHEATING AND RECENT SCORING OF CYLINDERS. WITNESS RPTED THAT ENG WAS IDLED FOR EXTENDED PERIOD BEFORE TAKE OFF. REAR CLYINDER WAS CARBONED AND THE SPARK PLUGS WERE CLEAN. ENG WAS OVERHEATED DUE TO CRACKS IN EXHAUST WHICH RESULTED IN SEIZURE OF THE PISTONS DURING FLIGHT. WHEN COOL, THE ENG FREED.
Source: NTSB Aviation Accident Database
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