What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: aircraft departed sitcoh lake and climbed out to 1500 feet. Ten minutes into the flight the pilot heard a loud engine noise, lost one magneto and experienced heavy engine vibration. Pilot suspected a blown cylinder and performed an emergency landing on the water. Maintenance inspection revealed #6 cylinder threw a rod through the case damaging one magneto. Engine will be replaced with a serviceable unit.
As the FAA filed it
NARRATIVE: AIRCRAFT DEPARTED SITCOH LAKE AND CLIMBED OUT TO 1500 FEET. TEN MINUTES INTO THE FLIGHT THE PILOT HEARD A LOUD ENGINE NOISE, LOST ONE MAGNETO AND EXPERIENCED HEAVY ENGINE VIBRATION. PILOT SUSPECTED A BLOWN CYLINDER AND PERFORMED AN EMERGENCY LANDING ON THE WATER. MAINTENANCE INSPECTION REVEALED #6 CYLINDER THREW A ROD THROUGH THE CASE DAMAGING ONE MAGNETO. ENGINE WILL BE REPLACED WITH A SERVICEABLE UNIT.