As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED AFTER PUSHBACK. QRH FOLLOWED. LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. ON ARRIVAL, PERFORMED FIM TASK 21-62-00-810-801. NR 1 CONTROLLER TCV LIGHT ON RESET NR 1 CONTROLLER RAN BITE TEST TWO MORE TIMES WITH NO ISSUES.