What was found
DURING DESCENT, NR 2 ENGINE FIRE WARNING CAME ON. PROCEDURES FOLLOWED IAW AIA FOM. ENGINE SHUTDOWN AND NR 2 BOTTLE FIRED. NR 2 BOTTLE PRESS LOW LIGHT DID NOT COME ON NR 1 BOTTLE FIRED AND PRESS LOW LIGHT CAME ON. FOUND T/R ACTUATOR LEAKING BADLY WHICH CAUSED THE FIRE WARNING TO GO OFF. REMOVED AND REPLACED T/R ACTUATOR ON ENGINE NR 2 OPS CHECK ON ENG RUN UP GOOD IAW DC8 MM 78-7-0. ALSO, REMOVED AND REPLACED NR 1 AND NR 2 FIRE BOTTLES. TEST GOOD IAW DC8 MM 26-4-1.