What was found
(CAN) ON CLIMB CABIN WOULD NOT PRESSURIZE, DIFFERENTIAL WENT UP TO 10 AND THEN BACK TO ZERO MAINTENANCE REPLACED CABIN PRESSURE CONTROLLLER COMPUTER
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON CLIMB CABIN WOULD NOT PRESSURIZE, DIFFERENTIAL WENT UP TO 10 AND THEN BACK TO ZERO MAINTENANCE REPLACED CABIN PRESSURE CONTROLLLER COMPUTER