As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR FLT 2741 THE CREW REPORTED AN EXCESSIVE CABIN ALTITUDE AND RATE ON CLIMBOUT. UNABLE TO CONTROL PRESSURIZATION MANUALLY. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE DIGITAL CONTROLLER. OPERATIONAL CHECKS WERE GOOD. ALSO CLEANED AND LUBED THE MAIN CABIN DOOR SEAL.