As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AC CABIN ALT RAPIDLY CLIMBED TO 8400 THEN 9000 FEET, CAB RATE CONTINUED TO -150. CAB ALT CONTINUED TO RISE. DID A RAPID DECENT AND EMERGENCY DECLARED. OPENED BOTH COCKPIT DV WINDOWS, INSPECTED SEALS, FOUND NO DEFECTS. THEN FULLY CLOSED BOTH WINDOWS. REMOVED AND REPLACED DIGITAL CONTROLLER. PERFORMED REACTIVATION OF THE OUTFLOW VALVES. PERFORMED PRESSURIZATION CONTROL SYSTEM FUNCTIONAL TEST. OPS CHECK SAT