As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO PRESS CAUTION MSG, DID NOT PRESSURIZE, RETURNED TO FIELD. AUTO PRESS CAUTION MSG NOT PRESENT UPON ARRIVAL. T/S PER CRJ 700 FIM. NO CURRENT FAULTS OR FAULT HISTORY. PRESSURIZED A/C PER CRJ 700 AMM. NO DEFECTS NOTED. OKAY FOR SERVICE.