As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, CABIN PRESSURE WARNING LIGHT ILLUMINATED WITH CABIN DECOMPRESSION. MASKS DEPLOYED, CABIN CONTROLLED MANUALLY AND ACFT RETURNED TO DSM AND LANDED WITHOUT INCIDENT. FOUND CIRCUIT BREAKER Z-31 POPPED. REPLACED THE PRESSURE AMPLIFIER AND RESET THE CIRCUIT BREAKER. CLEANED AND STOWED ALL MASKS, SYSTEM OPERATIONAL CHECK OK.