What was found
FIRE INDICATION IN LWR FWD PIT. CREW CLOSED BELL TESTED SYSTEM & FIRE INDICATION RETURNED. CREW DECLARED EMERGENCY & SHOT FIRE BOTTLE. A/C LANDED WITHOUT FURTHER INCIDENT. CFR CONFRIMED NO FIRE. PERFORMED LOWER CARGO COMPT SMOKE DETECTION SYSTEM ADJUSTMENT & TEST FOUND MX & SYS OK LIGHTS ILLUM DETECTOR F1717=ODB TESTED LOWER CARGO SMOKE DETECTION SYSTEM, NO FAULTS NOTED, OPS CHECK GOOD PER MM 26-18-00 THIS CLEARS MEL 26-19-1-2, PLACARD REMOVED.