As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ALT AUTO 2 EICAS MSG, CHANGE IN PRESSURIZATION, BRIEFLY DONNED OXYGEN MASKS(<P>TRANSFER TO DMI 215993 PER MEL 21-31-01A CAT C DUE DATE 13SEP24 REMOVED AND REPLACED CABIN PRESSURE CONTROLLER #2 IAW AMM 21-31-02 BITE CHECK PASSED THIS CLEARS MDDR 215993 ALL PLACARDS REMOVED PART REF IPC 21-31-02-0