As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AIR CONDITIONING PACK LIGHT ILLUMINATED UPON RECALL AFTER ENGINE START. ACFT GROUNDED. FOUND TCV FAULT ON NR 2 TEMP CONTROLLER ON PREVIOUS FLIGHT. ACCOMPLISHED BITE TEST IAW TASK 21-61-20-860-005. FAULT RESET. RAN PACKS. NO FAULTS. NO HISTORY LAST 90 DAYS.