What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: IMMEDIATELY AFTER TAKEOFF THE CONTROL CABIN TEMPERATURE BECAME EXCESSIVELY HOT AND THE CONTROL CABIN ZONE TEMP OVERHEAD LIGHT ILLUMINATED; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW.**SUPPLEMENTAL REPORT FOR (AALA202408141621): AFTER PACK INSPECTION FOUND LEFT HAND PACK SENSE LINE DISCONNECTED FROM FLOW CONTROL SHUTOFF VALVE, RECONNECTED AND TORQUED SENSE LINE, LEAKS AND OPERTIONAL CHECK GOOD PACK OPERATED NORMAL. PER AMM 21-51-01-400.**(CLOSED).