As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE LEFT PACK LIGHT ILLUMINATED, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE CHECK ON PACK-ZONE TEMP CONTROLLER. TCV FAULT SHOWED ON THE NR 1 CONTROLLER. FAULT CLEARED UPON COMPLETION OF BITE CHECK. RAN THE BITE CHECK AGAIN, SUCESSFUL GROUND CHECK. OK IAW AMM 21-61-00-700-806-002.