As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN ZONE TEMP LIGHT IS ON. WILL NOT CANCEL. GROUNDED - YES. ACCOMPLISHED TEMP CONTROLLER BITE, NO FAULTS LOGGED AND VERIFY TEST OPS NORMAL. CYCLED A/C POWER, FWD CABIN ZONE TEMP LIGHT REMAINED EXTINGUISHED. REPLACED CABIN ZONE TEMP SELECTOR PANEL PRECAUTIONARY REF AMM 21-61-07. OPS NORMAL.