As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2347 - EWR - FLIGHT CREW REPORTED CABIN DID NOT DESCENT ON SCHEDULE. CABIN ALTITUDE STOPPED DESCENDING AT 2000 FT CABIN ALTITUDE. EWR MX REMOVED AND REPLACED DIGITAL CONTROLLER AND CLEANED CAB PORT DEBRIS OFF MANUAL CONTROLLER AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.