What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Aircraft N1115M, a Cessna 208 caravan, departed desmoines, IA (dsm) enroute to omaha, NE (oma) at approximately 2130 CDT. After leveling at 4000 MSL the pilot reported a mayday call to desmoines ATCT because flames were coming from the rear of the engine cowl. The engine lost power and the pilot completed an emergency landing on a highway four miles north of the Winterset, IA airport (3Y3). There were no injuries to the pilot on board or persons on the ground. No damage to the aircraft or property on the ground. Investigation of the aircraft indicated a failure of the turbine compressor section of the engine which lead to the loss of engine power. The engine was removed and sent to pratt & whitney for tear down inspection.
As the FAA filed it
(-23) AIRCRAFT N1115M, A CESSNA 208 CARAVAN, DEPARTED DESMOINES, IA (DSM) ENROUTE TO OMAHA, NE (OMA) AT APPROXIMATELY 2130 CDT. AFTER LEVELING AT 4000 MSL THE PILOT REPORTED A MAYDAY CALL TO DESMOINES ATCT BECAUSE FLAMES WERE COMING FROM THE REAR OF THE ENGINE COWL. THE ENGINE LOST POWER AND THE PILOT COMPLETED AN EMERGENCY LANDING ON A HIGHWAY FOUR MILES NORTH OF THE WINTERSET, IA AIRPORT (3Y3). THERE WERE NO INJURIES TO THE PILOT ON BOARD OR PERSONS ON THE GROUND. NO DAMAGE TO THE AIRCRAFT OR PROPERTY ON THE GROUND. INVESTIGATION OF THE AIRCRAFT INDICATED A FAILURE OF THE TURBINE COMPRESSOR SECTION OF THE ENGINE WHICH LEAD TO THE LOSS OF ENGINE POWER. THE ENGINE WAS REMOVED AND SENT TO PRATT & WHITNEY FOR TEAR DOWN INSPECTION.