What was found
AFTER TAKEOFF, UNABLE TO RAISE THE GEAR HANDLE, USED THE OVERRIDE TRIGGER, FOUND CIRCUIT BREAKER B17 ON P6-3 TRIPPED. PERFORMED A PSEU BITE, NO FAULT ON GROUND TEST, BUT GROUND SWITCH INACTIVE MESSAGE WAS ON. PERFORMED A MAIN GEAR EXTENSION AND RETRACTION TEST IAW MM 32-32-00-710-801. NO DEFECTS NOTED, CIRCUIT BREAKER STAYED SET. R & R THE CIRCUIT BREAKER AS A PRECAUTION. PERFORMED SEVERAL MORE GEAR SWINGS, NO DEFECTS NOTED. ALL INDICATIONS NORMAL.