As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAB ALT AUTO 2 EICAS MSG. C/B RESET. CABIN PRESSURE CONTROLLER BITE PROCEDURE C/W AMM 21-31-00 FIM TASK 21-31 FT 803. PUSH TO TEST ON CABIN PRESSURE 2 WOULDN'T LIGHT, SWAPPED CABIN PRESSURE BOX 1 AND BOX 2, TWICE. TEST PASSED. NO FAULTS OR EICAS MSGS. OK FOR RTS.