What was found
DURING CRUISE FLIGHT, UNABLE TO MAINTAIN CABIN PRESSURIZATION. AIRCRAFT DIVERTED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED CABIN PRESSURE CONTROLLER. OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE FLIGHT, UNABLE TO MAINTAIN CABIN PRESSURIZATION. AIRCRAFT DIVERTED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED CABIN PRESSURE CONTROLLER. OPERATIONAL CHECK OK.