As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GRB FLT 4363 THE CREW REPORTED PRESSURIZATION MALFUNCTION IN FLIGHT. AIRCRAFT CABIN CLIMBED WITH AIRCRAFT ALTITUDE UNTIL 6000 FT. AIRCRAFT LEVELED OUT. THE CABIN RATE SHOWING +3000FT/MIN THEN -2000 FT/MIN THEN AMBER DASHES. THE CREW REPORTED THE SYSTEM FIXED ITSELF AND WORKED NORMALLY REMAINDER OF FLIGHT. MAINTENANCE REPLACED THE DIGITAL PRESSURIZATION CONTROLLER. OPERATIONAL CHECKS WERE GOOD.