What was found
DURING LANDING CHECKLIST NOTICED THAT THE SPEED BRAKE ARM LIGHT DID NOT ILLUMINATE AFTER ARMING THE SPEED BRAKE. MOVED LEVER BACK DOWN AND BACK TO ARM, ALSO DID A LAMP CHECK AND ARM LIGHT AND DO NOT ARM WOULDN'T ILLUMINATE. AFTER LANDING NOTICED AUTO SPEED BRAKE CIRCIUT BREAKER OPEN PERFORMED FIM 27-62 TASK 801. NO DEFECTS NOTED. PERFORMED VISUAL INSPECTION OF WIRE HARNNES FOR SPEED BRAKE ACTUATOR, FOUND CONNECTOR TO ACTUATOR NOT FULLY TIGHTENED. TIGHTENED CONNECTOR PER AMM 26-62-31, OPS CHECK NORMAL.