What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The pilot stated that approximately one hour into the flight oil sprayed over the windshield, engine power decreased to 50RPM'S, and smoke filled the cabin. After a successful emergency landing in a field it was noted that the oil filter cap was missing. The pilot stated that he had in fact added one quart of oil to the engine prior to departure. He stated that he may not have secured the cap properly before closing the access door.
As the FAA filed it
(-23) THE PILOT STATED THAT APPROXIMATELY ONE HOUR INTO THE FLIGHT OIL SPRAYED OVER THE WINDSHIELD, ENGINE POWER DECREASED TO 50RPM'S, AND SMOKE FILLED THE CABIN. AFTER A SUCCESSFUL EMERGENCY LANDING IN A FIELD IT WAS NOTED THAT THE OIL FILTER CAP WAS MISSING. THE PILOT STATED THAT HE HAD IN FACT ADDED ONE QUART OF OIL TO THE ENGINE PRIOR TO DEPARTURE. HE STATED THAT HE MAY NOT HAVE SECURED THE CAP PROPERLY BEFORE CLOSING THE ACCESS DOOR.