As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE, AIRCRAFT WOULD NOT PRESSURIZE AND ALSO HAD A FWD CARGO DOOR CAUTION LIGHT. AIRCRAFT DIVERTED TO BOISE. MAINTENANCE FOUND THE FORWARD CARGO DOOR PROXIMITY SENSOR STICKING. CLEANED AND LUBED SENSOR. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.