As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RECALL, PACK LIGHT CAME ON, GOES OUT WITH MASTER CAUTION RESET, LT PACK. ACFT GROUNDED. BITE CHECK OF LT TEMP CONTROLLER SHOWS LT TEMP CONTROL VALVE FAULT. REPLACED THE LT TEMP CONTROL VALVE IAW AMM 21-51-10/401. OPS CHECKED GOOD. NO LEAKS NOTED.