As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START IN FXE NO BLEED AIR WAS AVAILABLE IN CABIN. CREW RETURNED TO PARKING AND SHUTDOWN; CONTACTED STERLING MAINTENANCE. TROUBLESHOOTING COMPLETED BY BOMBARDIER FOUND ECS CONTROLLER FAILED. ECS CONTROLLER REPLACED BY BOMBARDIER. ALL OPS CHECKS GOOD.