As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL A/C WITH LT PACK DISPLAYED ON A/C PANEL, RESETS WHEN PRESS MASTER CAUTION BUTTON. ACFT GROUNDED. ACCOMPLISHED BITE TEST OF THE PACK/ZONE TEMP CONTROLLERS. FOUND TCV FAULT ON THE NR 1 CONTROLLER. RESET FAULT, RAN AIR CONDITIONING PACKS. SYSTEM OPS NORMAL. GROUND VERIFICATION GOOD REF FIM 21-62, TASK 801.