What was found
DURING DESCENT TIME 02:34 LOWER FORWARD CARGO SMOKE LIGHT COMES ON. PROCEEDED TO ACCOMPLISHED EMERGENCY CHECKLIST. DISCHARGED CYL NR 1. TRANSFERRED TO DMI 18988 IN ACCORDANCE WITH MEL 26-21 CAT-C PLACARD INSTALLED LOWER CARGO COMPARTMENTS MUST REMAIN EMPTY. TRANSFERRED TO DMI 18988 IN ACCORDANCE WITH MEL 26-21. RESERVED FORWARD CARGO COMPARTMENT FAN C/B'S C3 (CIRCUIT BRAKERS) OPERATIONAL CHECK IN ACCORDANCE WITH MM 21-27-06 FOUND NORMAL. THIS CLEARED DMI 18988. REMOVED AND REPLACED NR 1 LOWER CARGO FIRE EXTINGUISHED CONTAINER IN ACCORDANCE WITH MM 26-22-02. TESTED AND FOUND NORMAL IAW MM 26-22-02.