What was found
RIGHT BLEED DUCT WARNING MESSAGE, FOLLOWED BY A R BLEED DUCT CAUTION MESSAGE. PERFORMED QRH PROCEDURE FOLLOWED BY UNPRESSURIZED FLIGHT WITH BOTH PACKS INOP QRH. RETURNED TO ROW DUE TO HIGH CABIN TEMPERATURE. (FLIGHT 6191) TROUBLESHOT THE RH BLEED PACK FAULT CODE 349538 IAW FIM 36-21-03-810-813-A01, FOUND SENSING ELEMENT TOO CLOSE TO DUCT AS WELL AS TWO LOOSE CLAMPS NEAR SENSING ELEMENT MT145 29% AND 13%, RESECURED CLAMPS AND READJUSTED SENSING ELEMENTS. PERFORMED OPS CHECK ON RT PACK WITH ENGINES AT POWER AND APU BLEED SOURCE. OPS CHECK GOOD AT THIS TIME. NO FAULT AT THIS TIME. AIRCRAFT OK TO RETURN TO SERVICE.