What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23)Aircraft was in an IFR flight from richmond/ashland, VA (ofp) to ashland, KY (dwu). After passing charleston, WV at 4000 ft. the aircraft lost power. The pilot reported the power loss to charleston ATCT and received vectors to ona, WV (12V). At this time the pilot heard a mechanical thud from the engine and the engine quit. The pilot made an emergency landing in a field causing minor damage to the aircraft. Post incident investigation revealed that the oil filter cap was not installed and the oil level was at "zero". Oil was evident at the engine oil breather vent tube exit area. The engine was run until engine oil exhaustion where upon the number 5 cylinder connecting rod broke causing damage to the crank case and subsequent engine seizure.
As the FAA filed it
(-23)AIRCRAFT WAS IN AN IFR FLIGHT FROM RICHMOND/ASHLAND, VA (OFP) TO ASHLAND, KY (DWU). AFTER PASSING CHARLESTON, WV AT 4000 FT. THE AIRCRAFT LOST POWER. THE PILOT REPORTED THE POWER LOSS TO CHARLESTON ATCT AND RECEIVED VECTORS TO ONA, WV (12V). AT THIS TIME THE PILOT HEARD A MECHANICAL THUD FROM THE ENGINE AND THE ENGINE QUIT. THE PILOT MADE AN EMERGENCY LANDING IN A FIELD CAUSING MINOR DAMAGE TO THE AIRCRAFT. POST INCIDENT INVESTIGATION REVEALED THAT THE OIL FILTER CAP WAS NOT INSTALLED AND THE OIL LEVEL WAS AT "ZERO". OIL WAS EVIDENT AT THE ENGINE OIL BREATHER VENT TUBE EXIT AREA. THE ENGINE WAS RUN UNTIL ENGINE OIL EXHAUSTION WHERE UPON THE NUMBER 5 CYLINDER CONNECTING ROD BROKE CAUSING DAMAGE TO THE CRANK CASE AND SUBSEQUENT ENGINE SEIZURE.