As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MASTER CAUTION RECALL, LEFT PACK LIGHT ILLUMINATED. LIGHT EXTINGUISHED WHEN MASTER CAUTION SYSTEM IS RESET. ACFT GROUNDED. NR 1 ZONE TEMP CONTROLLER WITH TEMP CONTROL VALVE FAULT. CLEARED FAULT AND BITE TESTS NORMAL IAW FIM 21-61, TASK 801. ETOPS SIGNIFICANT SYS, GROUND VERIFICATION SUCCESSFUL.