What was found
UNSATISFACTORY GEAR UPLATCH CHECK, CYCLED GEAR, NO GREEN GEAR LIGHTS. CHECKED P-27 CIRCUIT BREAKER, FOUND IT POPPED. RESET P-27. WHEN NOSE GEAR UNSAFE LIGHT PUSHED TO TEST, HEARD P-27 POP AGAIN. REPOSITIONED TERMINAL END ON LEFT GEAR UNSAFE LIGHT SOCKET, RESET P-27, ALL LIGHTS CHECK GOOD IAW DC-9 MM 32-60-0.