What was found
OKC - INFLIGHT DFW-YYC. CREW REPORTED TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED DURING FLIGHT. EMERGENCY DECLARED FLIGHT DIVERTED OKC LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND HOSE TORN BETWEEN AIR SUPPLY AND RIGHT PACK ASSEMBLY 4. PLACARDED RIGHT PACK INOPERATIVE PER MEL. REPLACED RUBBER BOOT FOR RIGHT PACK SYSTEM AT TUL ON 06/03/2011. SYSTEM GROUND CHECK NORMAL OPERATION