As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT WHITE PRESS LIGHT AND ORANGE UP CAPTION LIGHTS CAME ON. BOTH DIGITAL GAUGES HAD ERRONEOUS DISPLAYS. PERFORMED QRH AND TALKED WITH MX AND DISPATCH RETURNED TO MSP. REPLACED CABIN PRESSURE CONTROLLER, P/N 3040A000-004, S/N ON 0012 S/N OFF 00068.