What was found
RETURN TO FIELD DUE TO THE COCKPIT TEMP WAS UNCONTROLLABLE, OUTPUT REACHED 118 DEGREES AND COCKPIT TEMP REACHED 94 DEGREES. TURNED OFF THE NR 2 PACK, THE TEMPS CONTINUED TO CLIMB. TROUBLESHOT AND FOUND LOW REGULATING PRESSURE IN THE NR 1 PACK, R & R THE FLOW CONTROL VALVE. FOUND A MISSING ACM LINE BLANKING PLUG, REPLACED THE PLUG. FOUND A CRACKED CONDENSOR, R & R THE CONDENSOR. PERFORMED A LEAK CHECK, NO LEAKS NOTED. PERFORMED CFDS ZONE TEMP CONTROL TEST AND FUNCTIONAL TEST OF COCKPIT TEMPERATURE AND NO FAULTS FOUND.