What was found
LANDING GEAR WOULD NOT EXTEND NORMALLY ON APPROACH. RAN CHECKLISTS AND NO HELP, MANUALLY PUMPED GEAR DOWN. ALL INDICATIONS NORMAL. AFTER LANDING, FOUND LANDING GEAR RELAY CIRCUIT BREAKER TRIPPED. R & R LANDING GEAR MOTOR RELAY IAW AIM 12-15.0. R & R LANDING GEAR DOWN PACK MOTOR IAW BMM 32-30-04. ALL SWINGS PERFORMED IAW MI 32-01.