As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. TCV FAULT NR 1 ZONE TEMP CONTROLLER. RESET & BITE TESTS NML PER FIM 21-62 TASK 802. ETOPS SIGNIFICANT SYSTEM, GROUND VERIFICATION SUCCESSFUL.