As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION AUTO FAIL ALTN LIGHTS ILLUMINATED ON PREFLIGHT. ACCOMP PRESS CONT BITE ON BOTH CONT. ONLY NR 2 FAULT SHOWS FAULT CODE 101. CLEARED FAULT REF FIM 21 31TASK 803. NOW NO CURRENT FAULTS PRESENT. ALL GROUND CHECK'S OK PER SEAMC. A/C OK TO RETURN TO SERVICE.