What was found
ALL LANDING GEAR EXTENSION DID NOT EXTEND, ALL LANDING GEAR DID NOT EXTEND NORMALLY. RAN THE LANDING GEAR WILL NOT EXTEND QRH AND AFTER BLOW DOWN WE HAD 3 GREEN. ARES DATA SHOWED THAT THE LEFT LG PCB PIN 58 IS RECEIVING A GEAR EXTEND COMMAND FROM THE LG CONTROL HANDLE. RMOVED LANDING GEAR HANDLE AND INSTALLED A SUPPLIED OVERHAULED HANDLE IAW MM 32-30-30. ACCOMPLISHED LANDING GEAR OPERATIONAL CHECKS IAW MM 32-00-00. OPS CHECKED GOOD. ACCOMPLISHED EMERGENCY GEAR EXTENSION PNEUMATIC BOTTLE SERVICING IAW MM 12-10-45. ACCOMPLISHED HYDRAULIC SYSTEM BLEEDING IAW MM 12-10-30.