As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN TEMP DIFFICULT TO CONTROL. INSPECTED FWD CABIN TEMP SENSOR IAW TSM 21-63-00. R & R FWD CABIN TEMP SENSOR 22- HK IAW AMM 21-63-17. PERFORMED BIT TEST ON MCDU & RAN APU CHECKED FWD CABIN TEMP SELECTOR OPERATIONS CHECKED GOOD, NO FAULTS NOTED.