What was found
FWD CARGO SMOKE MESSAGE, FOLLOWED QRH, DISCHARGED CARGO FIRE BOTTLE. DIVERTED, DECLARED EMERGENCY. R&R BOTH CARGO BOTTLES. TESTED SMOKE DETECTORS, NO DEFECTS NOTED. NO EVIDENCE OF SMOKE NOTED. VERIFED DRAIN HEATERS WORK AND OPENED UP THE COMPARTMENT FWD OF THE CARGO INSPECTED DRAIN MAST HEATER WIRES, LINES, AND SURROUNDED AREAS, FOUND NO BURN WIRES, SMOKE ODORS OR ANYTHING ABNORMAL.