As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 17,000 FT.IN AUTO MODE AIRCRAFT CABIN ALT. PRESSURE CLIMBED THROUGH 10,000FT RAPIDLY. FOLLOWED LOSS OF PRESSURIZATION, CHECKLISTS AND WAS ABLE TO REGAIN CABIN CONTROL AFTER CYCLING LEFT PACK. STBY.MODE WORKED FINE AFTER THAT.