What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On Monday, August 23, 1999, a Grumman tiger AA-5B, on a trip from the philadelphia area to a private field in upstate new york made an emergency landing at Dansville, new york due to a rough running engine. The aircraft landed without incident. Maintenance at Dansville found a #3 cylinder exhaust valve failure. Maintenance replaced he #3 cylinder and performed a run-up check and returned the aircraft to service. This incident is considered closed.
As the FAA filed it
ON MONDAY, AUGUST 23, 1999, A GRUMMAN TIGER AA-5B, ON A TRIP FROM THE PHILADELPHIA AREA TO A PRIVATE FIELD IN UPSTATE NEW YORK MADE AN EMERGENCY LANDING AT DANSVILLE, NEW YORK DUE TO A ROUGH RUNNING ENGINE. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE AT DANSVILLE FOUND A #3 CYLINDER EXHAUST VALVE FAILURE. MAINTENANCE REPLACED HE #3 CYLINDER AND PERFORMED A RUN-UP CHECK AND RETURNED THE AIRCRAFT TO SERVICE. THIS INCIDENT IS CONSIDERED CLOSED.