As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CABIN TEMP CONTROLLER NOT RESPONDING IN AUTO OR MANUAL. ACFT GROUNDED. PERFORMED PACK TEMPERATURE CONTROL BITE IAW FIM 21-62 TASK 801, NO FAULTS FOUND. CLEANED CONTROL CABIN ZONE TEMP FILTER IAW AMM 21-61-06. ACCOMPLISHED IAW FIM TASK 21-61 TASK 861, NORMAL OPERATION, GROUND VERIFICATION SUCCESSFUL.