As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRESSURIZATION FAILURE, PASSENGER OXYGEN MASKS DEPLOYED. THERE WERE NO PASSENGERS ON BOARD. REMOVED CABIN PRESSURIZATION CONTROLLER AND REPLACED WITH CUSTOMER SUPPLIED REPAIRED PRESSURIZATION CONTROLLER P/N ON/OFF 65000062-9 S/N OFF/ON 65000062-00397, 65000062-9.