As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7657 - ZLO TO LAX - DURING CRUISE FLIGHT CREW REPORTED AIRCRAFT LOST PRESSURIZATION IN AUTO MODE AT FL 350. MX REMOVED AN REPLACED AUTO PRESSURIZATION CONTROLLER OPERATIONALLY CHECKED SATISFACTORY. A/C WAS RELEASED TO RETURN FOR SERVICE