What was found
PBI - FLT 834 - GEAR DOOR OPEN LIGHT ILLUMINATED SHORTLY AFTER GEAR RETRACTION AFTER GEAR RETRACTION. PERFORMED QRH PROCEDURES. FOUND LEFT MAIN GEAR DOOR PROXIMITY SWITCH LOOSE. ADJUSTED AND TIGHTENED LEFT MAIN GEAR DOOR PROXIMITY SWITCH, OPS CHECK GOOD, NO DEFECTS NOTED. (M)