What was found
DURING INITIAL CLIMB, LANDING GEAR FAILED TO RETRACT. ABNORMAL PROCEDURES COMPLETED, LANDING GEAR RETRACTED. TRANSFERRED NR 1 LEVER LOCK SYSTEM TO DMI LOG IAW A/B MEL 32-31-02A CAT. (B) AS DMI NR 15736. REF. S/P 32-31-02A. VERIFY NR 2 LEVER LOCK SYSTEM OPS NORMAL IAW PREFLIGHT PROCEDURES. REF. DMI NR 15736 DURING INITIAL CLIMB, LANDING GEAR FAILED TO RETRACT. ABNORMAL PROCEDURE COMPLETED, LANDING GEAR RETRACTED (NR 1 SYSTEM) SEE S/P 32-31-02A. REPLACED 67GB PROXIMITY SENSOR ON LT GEAR IAW M/M 32-61-00. OPS CHECKED OK. THIS CLEARS DMI.