What was found
GEAR IN-TRANSIT LIGHT CAME ON IN-FLIGHT WHEN GEAR SELECTOR HANDLE IN UP POSITION. GEAR CONTROL/LIGHT CIRCUIT BREAKER TRIPPED AND COULD NOT BE RESET. GEAR MANUALLY EXTENDED. FOUND UP GEAR RELAY SHORTED. LANDING GEAR MOTOR HAD STAYED ON CAUSING NOSE GEAR ACTUATOR TO BLOW SEALS AND DUMP ALL FLUID FROM POWERPACK CAUSING PUMP TO FAIL. PRESSURE SWITCH DID NOT SHUT MOTOR OFF. FOUND 12-VOLT GEAR UP AND DOWN RELAYS IN A 24-VOLT SYSTEM.