As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 4L SLIDE ARM INDICATOR LIGHT INOP COMFIRM DOOR ARMING GOOD, JUST ARMING LIGHT INDICATOR LIGHT INOP SWAPPED WITH GOOD LIGHT ASSY NO HELP. REQUEST MEL 2566U FOR DOOR 4L SLIDE LIGHT INDICATION. SLIDE INDICATOR LIGHT AT 4L INOP. COMPLIED WITH MEL. SEE L/P 5507453. LIGHT OPS CHECK GOOD AFTER RESECURING GIRT BAR.