As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO CONTROL TEMP IN CABIN FROM ROW 6-11, EITHER TOO HOT OR TOO COLD. ACFT GROUNDED. PERFORMED NR 2 (RT) TEMP CONTROLLER BITE CHECK AND FOUND CABIN SENSOR ZONE FAULT IAW FIM 21-61 TASK 801. CLEANED CABIN TEMP SENSOR FILTERS IAW AMM 21-61-06 AND CLEANED CABIN TEMP SENSOR 21-61-10, NO FIX.