What was found
DURING PRE-FLIGHT CHECK, FOUND THE L1 DOOR SLIDE LIGHT WILL NOT ILLUMINATE. FOUND THE NR 1 SWITCH MOUNTING SCREW SHEARED FROM SWITCH S10214. SWITCH DOES NOT INTERFERE WITH GIRT BAR ENGAGEMENT. INSPECTED THE L1 DOOR & FOUND THE GIRT BAR AFT POSITION MAGNETIC ACTUATOR MISSING. SECURED (S10214) IAW AMM 25-66-11-2, GIRT BAR ENGAGES & DISENGAGES NORMALLY. INSTALLED A NEW ACTUATOR IAW MM 25-66-11-2. L1 DOOR ARMED LIGHT OPS CHECKED GOOD.