Overview
An airplane in commercial service was descending from flight level 370 (FL370) as part of its arrival procedure at the intended destination. The descent was proceeding normally until the aircraft reached flight level 230 (FL230).
Incident Details
While descending through FL230, the flight experienced two distinct turbulence events. The exact duration and severity of these events were not specified, but they resulted in injuries to occupants onboard.
Injuries
Two passengers sustained serious injuries as a consequence of the turbulence. Additionally, 37 passengers and 8 flight attendants received minor injuries. The nature of the serious and minor injuries was not detailed.
Weather Conditions
The flight was operating on a moonless night, providing no natural illumination. The weather avoidance radar was switched on and actively scanning the path ahead; however, no weather echoes or significant returns were displayed on the radar screen at the time of the turbulence events.