As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INBOUND WRITE UP OF AFT LEFT DOOR 4L SLIDE INDICATOR LIGHT INOP. RELAMPED LIGHT, NO HELP. FOUND FWD GIRT BAR SLIDE LOCK HAD DETACHED FROM THE GIRT BAR AND WAS NOT LOCKING INTO THE DOOR FRAME TO PROPERLY ATTACH THE SLIDE. REINSTALLED THE GIRT BAR SLIDE LOCK PER THE M/M. SLIDE LOCKS AND INDICATION WERE WORKING AS PER THE M/M.