What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Based on a statement from the pilot, he was inbound to Salinas airport (sns) at 5500 feet MSL. When he reduced power for descent to sns, the engine began to run rough. He accomplished engine out procedures and declared an emergency with sns tower. At 2500 feet MSL, the engine ceased to run and the pilot elected to accomplish an off field landing in a nearby field. Emergency landing was successful with no injuries or damage. After landing the pilot noticed that the prop would not spin, there was oil all over the bottom of the aircraft, and a crack or hole on the top of the engine case. The pilot also detailed to me an account of cylinder head temperature and oil pressure during the flight that indicated all in the normal and expected range of operation.
As the FAA filed it
(-23) BASED ON A STATEMENT FROM THE PILOT, HE WAS INBOUND TO SALINAS AIRPORT (SNS) AT 5500 FEET MSL. WHEN HE REDUCED POWER FOR DESCENT TO SNS, THE ENGINE BEGAN TO RUN ROUGH. HE ACCOMPLISHED ENGINE OUT PROCEDURES AND DECLARED AN EMERGENCY WITH SNS TOWER. AT 2500 FEET MSL, THE ENGINE CEASED TO RUN AND THE PILOT ELECTED TO ACCOMPLISH AN OFF FIELD LANDING IN A NEARBY FIELD. EMERGENCY LANDING WAS SUCCESSFUL WITH NO INJURIES OR DAMAGE. AFTER LANDING THE PILOT NOTICED THAT THE PROP WOULD NOT SPIN, THERE WAS OIL ALL OVER THE BOTTOM OF THE AIRCRAFT, AND A CRACK OR HOLE ON THE TOP OF THE ENGINE CASE. THE PILOT ALSO DETAILED TO ME AN ACCOUNT OF CYLINDER HEAD TEMPERATURE AND OIL PRESSURE DURING THE FLIGHT THAT INDICATED ALL IN THE NORMAL AND EXPECTED RANGE OF OPERATION.