What was found
(CAN) ON APPROACH, LT WING SLIDE CAUTION WAS ANNUNCIATED, LIGHT WENT OUT AFTER SEVERAL SECONDS, SOME BUFFETING FELT, HANDLING NORMAL. FLIGHT ATTENDANT REPORTED PASSENGER SAW PIECES OF AIRCRAFT FALL OFF. LT WING SLIDE ASSY, LATCH RELEASE, NITROGEN CYL AND SLIDE DOOR ACTUATORS REPLACED. DOOR LINK CABLES INSPECTED, SYSTEM ARMED.