As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A LOSS OF PRESSURIZATION ON DESCENT IN AUTO MODE. MAINTENANCE INSPECTED AND RELEASED IAW MEL 21-30-00-3. MAINTENANCE REPLACED THE PRESSURIZATION DIGITAL CONTROLLER AND ELECTRO-PNEUMATIC OUTFLOW VALVE. OPERATIONAL CHECKS WERE GOOD.