As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 307 - MCI - NO EMERGENCY DECLARED. RETURNED TO MCI. AUTO PRESSURE FAILED. STANDBY NOT WORKING EITHER. REMOVED CABIN PRESSURE CONTROLLER, CLEANED CPC CONNECTORS AND RE-INSTALLED CPC. CABIN PRESSURE CONTROLLER AND CABIN PRESSURIZATION SYSTEM OPERATIONAL CHECKS NORMAL PER MM 21-31-00. (M)