As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START AND BOTH PACKS WERE TURNED ON. ON RECALL CHECK THE L PACK ILLUMINATED QRH PROCEDURE WAS COMPLETED. ON MASTER CAUTION RESET THE LEFT PACK LIGHT WENT OUT. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST PER AMM 21 61 00. LEFT TCV FAULT RESET. GROUND VERIFICATION NORMAL.