As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START CHECK, THE RIGHT PACK ILLUMINATED & EXTINGUISHED WHEN MASTER CAUTION SYSTEM WAS RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE CK ON BOTH TEMP CONTROLLER'S. NR 1 CONTROLLER OP'S CK GOOD NO FAULTS NOTED. NR 2 CONTROLLER SHOWED ONE FAULT FOR THE TCV, WAS ABLE TO RESET THE FAULT. RAN A BITE CHECK ON THE NR 2 CONTROLLER AGAIN NO FAULTS NOTED TEST PASSED IAW AMM 21-61-00-700-806-002.