As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO FAIL LIGHT ON PRESSURIZATION SYS WITH MASTER CAUTION. SWITCHED TO ALTN, NORMAL OPERATION IN ALTN MODE. ACFT GROUNDED. NR 2 DCPC LOGGED OF VLRU FAIL FAULT NR 011. ACCOMPLISHED SYS TEST AND GROUND TEST REF FIM 21-31, TASK 801. MESSAGE NO LONGER ACTIVE ON EXISTING OR FAULT HISTORY. BOTH DCPC SHOWS SYSTEM OK.