What was found
INSPECTION OF THE AIRCRAFT'S ELECTRICAL SYSTEM FOUND A BROKEN FIELD WIRE AT THE TERMINAL END ATTACHMENT TO THE ALTERNATOR. THIS CAUSED A LOSS OF ELECTRICAL POWER AND DEAD BATTERY. PILOT PUT THE GEAR DOWN, GEAR ONLY WENT DOWN EST. 80 PERCENT, HOWEVER, LANDING WAS ATTEMPTED. THE PILOT TOOK OFF AGAIN WHEN HE HEARD A NOISE OF THE GEAR DOORS CONTACTING THE GROUND. THE A/C TOOK OFF AND RETURNED TO HOME BASE. UPON LANDING AND AT ROLL-OUT, THE RT LANDING GEAR COLLAPSED.