What was found
LANDING GEAR LEVER LOCK AND WARNING SYSTEM NR 1 INOPERATIVE. AFTER T/O UNABLE TO RAISE THE GEAR, CREW PERFORMED ABNORMAL PROCEDURE AND SYSTEM NR 2 IS WORKING NORMALLY. CLEANED CONNECTORS 82GB, 83GB, 84GB, AND 85GB (MLG ELECTRICAL CONNECTORS). PERFORMED OPERATIONAL CHECK OF MLG SYSTEM NR 1 & 2 WARNING SYSTEM WITH NO DEFECTS NOTED. OPS CHECKED GOOD IAW M/M 32-30-00.