What was found
WHILE ON APPROACH FOR LANDING, THE FORWARD CARGO SMOKE INDICATION ILLUMINATED. THE QRH WAS COMPLIED WITH, DISCHARGED BOTH CARGO FIRE BOTTLES TO MAKE THE INDICATION EXTINGUISH. MAINTENANCE INSPECTED WIRE BUNDLES AND ALL COMPONENTS TESTED GOOD. THE CARGO SMOKE DETECTORS WERE REPLACED. NO EVIDENCE OF ANY SCORCHING, DAMAGE, NOR FIRE WAS FOUND.