As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP LIGHT ILLUMINATED ON FWD CABIN TEMP CONTROL. EXTINGUISHED ON MASTER RESET. CANNOT CONTROL SUPPLY DUCT TEMP WITH TEMP SELECTOR KNOB. GROUNDED - YES. NR 2 P/Z CONTROLLER LOGGED FWD ZONE CABIN SENSOR FAULT. REF AMM 21-61-10 CLEANED SENSOR, NO HELP. UNABLE TO RESET FAULT. REPLACED NR 2 TEMP CONTROLLER PER AMM 21-61-20. PACK TEMP CONTROLLER BITE TEST PASSED NO FAULTS NOTED PER AMM 21-61-00. CABIN TEMP OPERATIONAL TEST SUCCESSFUL PER AMM 21-61-00.