What was found
AIRCRAFT REJECTED TAKEOFF AT 60 KNOTS, DUE TO PSEU LIGHT TURNED ON. FLIGHT CREW ACCOMPLISHED THE QRH 15.4 PROCEDURE & PSEU LIGHT TURNED OFF, RESTARTING AGAIN THE TAKEOFF TO DESTINATION. AT GDL, MX PERFORMED BITE TO PSEU IAW AMM 32-09-00 & THE FIM 27-62 TASK 809 PROCEDURE. THE MSG 27-62001 WAS SHOWN & DETECTING SPEED BRAKE TAKEOFF LEVER THAT WAS NOT LOCKED CORRECTLY. THE LEVER MECHANISM WAS LUBRICATED IAW AMM 32-09-00 & THE TAKEOFF WARNING SYS TEST WAS PERFORMED IAW AMM 31-51-00, ALL CORRECT. THE HIGH ENERGY STOP INSPECTION WAS PERFORMED IAW AMM 05-51-07, NO DAMAGES WERE FOUND.