As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT CAME ON DURING TAXI. RAN QRH AND PACK LIGHT STAYED ON AND DID NOT RESET. GROUNDED - YES. LEFT PACK / ZONE TEMP CONTROLLER LOGGED "TCV - THIS PACK" REF FIM 21-62 TASK 830. RESET FAULT, FAULT DID NOT RE-OCCUR. RAN LT PACK FOR 10 MIN, NO FAULTS NOTED. GND VERIFICATION CK NORMAL.