On September 16, 1993, a Cessna 172P (registration N52502) operated by Premier Air Center was involved in an aviation accident near Fieldon, IL. No fatalities were reported. Investigators recorded the probable cause as: PARTIAL FAILURE (DETERIORATION) OF THE #1 PISTON PIN PLUG, WHICH RESULTED IN CONTAMINATION OF THE LUBRICATING SYSTEM AND FAILURE OF THE #3 CONNECTING ROD. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During cruise, the engine lost power. The pilot executed a forced landing in an open field, resulting in damage. Post-accident inspection revealed a deteriorated piston pin plug and extensive metal contamination.
Accident Sequence
During cruise flight, the aircraft experienced a loss of engine power. The pilot elected to perform a forced landing onto an open field. The airplane sustained damage during the landing.
Post-Accident Inspection
An inspection conducted after the accident revealed significant internal engine damage. The #1 piston pin plug had deteriorated to a fraction of its original size. Extensive metal particulate matter was found in the oil filter and throughout the engine. The connecting rod bearings were distorted and discolored, and the #3 connecting rod had failed.
Findings
The post-accident examination of the engine components showed wear and failure consistent with mechanical degradation. The specific condition of the #1 piston pin plug and the presence of metallic debris indicate a widespread failure within the engine.
What happened in the 16 Sept 1993 Cessna 172P accident near Fieldon, IL?
During cruise, the engine lost power. The pilot executed a forced landing in an open field, resulting in damage. Post-accident inspection revealed a deteriorated piston pin plug and extensive metal contamination.
Were there any fatalities in the 16 Sept 1993 Cessna 172P accident?
No fatalities were recorded in this accident.
What aircraft was involved and where did it happen?
The accident on 16 Sept 1993 involved a Cessna 172P, registration N52502, operated by Premier Air Center, at Fieldon, IL.
What was the probable cause of the accident?
PARTIAL FAILURE (DETERIORATION) OF THE #1 PISTON PIN PLUG, WHICH RESULTED IN CONTAMINATION OF THE LUBRICATING SYSTEM AND FAILURE OF THE #3 CONNECTING ROD.
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