As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NR 2 AUTOMATIC CABIN PRESSURE CONTROLLER INOPERATIVE WITH NR 1 CONTROLLER PREVIOUSLY PLACARDED. EMERGENCY DECLARED, DIVERTED, AND LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED NR 1 & NR 2 PRESSURIZATION CONTROLLERS & ACTUATOR. SYS GROUND CHECKED NORMAL.