What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO CLT DUE TO CABIN TEMPERATURE UNABLE TO BE CONTROLLED, CREW REPORTED LARGE TEMPERATURE SWINGS WITH THE AFT CABIN AT 110 DEGREES. THE AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND A CLOG IN THE ELBOW OF THE TEMPERATURE SENSOR HOSE AND CLEANED THE HOSE AS REQUIRED. (AALA202304262647), MAINTENANCE ALSO NOTED THAT WHEN THE FORWARD TEMPERATURE CONTROL WAS SET TO COLD THE FORWARD TRIM VALVE WAS MODULATING TO HOT. THE FORWARD TRIM VALVE WAS REPLACED PER AMM 21-63-51 AND A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED. (AALA202304260512)