What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: on approach to an approved landing site to pick up an aeromedical patient, the right engine cowling departed the aircraft and struck a rotor blade and upper finnestron of the SA-365N helicopter. Investigation as to the cause revealed a worn latch which allowed the latch to unhook. No fire or injury resulted from this incident. This incident is considered closed.
As the FAA filed it
NARRATIVE: ON APPROACH TO AN APPROVED LANDING SITE TO PICK UP AN AEROMEDICAL PATIENT, THE RIGHT ENGINE COWLING DEPARTED THE AIRCRAFT AND STRUCK A ROTOR BLADE AND UPPER FINNESTRON OF THE SA-365N HELICOPTER. INVESTIGATION AS TO THE CAUSE REVEALED A WORN LATCH WHICH ALLOWED THE LATCH TO UNHOOK. NO FIRE OR INJURY RESULTED FROM THIS INCIDENT. THIS INCIDENT IS CONSIDERED CLOSED.