As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING THE WEEKLY CHECK, EMERGENCY LIGHT TEST (ESPU EXT LOAD FWD LEFT) CAME UP ON CIDS PANEL. TROUBLESHOT ESPU WHICH INDICATED EXTERNAL LIGHT FAULT WHICH INDICATES THE SLIDE. REMOVED AND REPLACED R1 DOOR ESCAPE SLIDE IAW 26L00025010. OPS CHECKED GOOD.