citing deficiencies in the company’s operational control system.
It said such systems ensure a company is following safety rules for dispatching staff and aircraft.
This would imply that the aircraft/flight did not have a legal dispatch release or the crew was not legal for the flight (flight hours or duty).
Operational control in general cover items such as aircraft airworthiness, weight and balance program, de-ice program, crew tracking, dispatch release/weather.
Not indicative of cause of crash but overall health of the airline.