What was found
GEAR WOULD NOT RETRACT IN AIR, AND WOULD NOT GO DOWN AND LOCKED. PUT AIRCRAFT ON JACKS, AND GEAR WOULD NOT CYCLE. FOUND CIRCUIT BREAKER TRIPPED. RESET BREAKER, GEAR COULD COME UNLOCKED, BUT WOULD NOT GO UP, AND GEAR WOULD NOT LOCK DOWN. PUMP DID NOT HAVE PRESSURES IAW PIPER MANUAL. REMOVED POWER PACK FOR OVERHAUL, REINSTALLED AFTER OVERHAUL, GEAR CYCLED NORMAL. (X)