What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
At approximately 15:30 EDT, skywest flight 4907-10 July aex-atl, encountered what the captain described as momentary moderate turbulence while descending through the top of a cumulonimbus cloud. The flight was enroute and was starting a descent from FL310 when the turbulence was encountered. One passenger sustained serious injuries during the turbulence encounter. The flight attendant sustained minor injuries.
As the FAA filed it
AT APPROXIMATELY 15:30 EDT, SKYWEST FLIGHT 4907-10 JULY AEX-ATL, ENCOUNTERED WHAT THE CAPTAIN DESCRIBED AS MOMENTARY MODERATE TURBULENCE WHILE DESCENDING THROUGH THE TOP OF A CUMULONIMBUS CLOUD. THE FLIGHT WAS ENROUTE AND WAS STARTING A DESCENT FROM FL310 WHEN THE TURBULENCE WAS ENCOUNTERED. ONE PASSENGER SUSTAINED SERIOUS INJURIES DURING THE TURBULENCE ENCOUNTER. THE FLIGHT ATTENDANT SUSTAINED MINOR INJURIES.