As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AIRCRAFT DID NOT PRESSURIZE. AIRCRAFT RETURNED TO POINT OF ORIGIN AND SAFELY LANDED. ONCE AIRCRAFT LANDED PILOTS MEL’D PRESSURIZATION SYSTEM AND RETURNED TO FXE FOR MAINTENANCE. AIRCRAFT IS CURRENTLY AWAITING MAINTENANCE TO TROUBLESHOOT PRESSURIZATION SYSTEM.