What was found
AIRCRAFT RETURNED TO PLATFORM DUE TO TAKEOFF CONFIGURATION ALARM WAS ACTIVE. MAINTENANCE PERSONNEL PERFORMED TAKE OFF WARNING SYSTEM TEST, IAW AMM 31-51-00-730-803, CONFIRMING THE FAILURE. SO SPEED BRAKE TAKEOFF WARNING SWITCH S651 P/N V3L2228, S/S, MANUFACTURER HONEYWELL INTERNATIONAL INC WAS REPLACED, IAW AMM 31-51-03/401. LUBRICATION OF SPEED BRAKE LEVER BRAKE ASSEMBLY WAS PERFORMED, IAW AMM 12-22-81-600-801. THE SPEED BRAKE INSTALLATION TEST WAS PERFORMED, IAW AMM 31-51-03, TESTED CORRECT.