As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN TO CLIMB AT AROUND 7,000FT WE LOST CAB ALT INDICATIONS ON TO PRESSURIZATION. SHORTLY AFTER WE LOST DELTAP AND CAB RAT INDICATIONS AS WELL-C/A-MEL 21-17 CHANGED TO MEL 21-19. M PROCEDURES C/W. A/C OK FOR SERVICE. REMOVED AND REPLACED DIGITAL CONTROLLER IAW EMB 145 AMM 21-31-01. OPS CHECK GOOD. MEL ITEM RESTORED. M PROCEDURES REVERSED.