As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEMPERATURE GAUGE ON F/A CONTROL PANEL RED 44 DEG IN CRUISE FLIGHT WHEN ACTUAL TEMPERATURE IN CABIN WAS APPROX. 80 DEG F. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REPLACED CABIN TEMP SENSOR AND CORRECTED CABIN SENSOR EJECTOR ORIENTATION. OPS CHECK GOOD. F/A PANEL READS CORRECTLY AND AGREES WITH FLIGHT DECK GAUGE. RETURNED TO SERVICE.