As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT "FWD CABIN TEMP " EICAS ALERT DISPLAYED WITH "INOP " LIGHT ON OVERHEAD PANEL ILLUMINATED . FOLLOWED QRH PROCEDURE.PERFORMED ZONE TEMPERATURE CONTROLLER BITE TEST NO FAULTS NOTED. RAN PACKS AIR CONDITIONING OP CK GD REF AMM 21 61 03 715 022.