As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - EEL - DURING C-08 CHECK THE EMERGENCY LIGHT TEST FROM THE PROGRAMMING AND TEST PANEL INDICATED EXTERNAL LOADS FAILURE. MAINTENANCE TROUBLESHOT WIRING AND FOUND L-1 DOOR SLIDE CIRCUIT OPEN, REMOVED AND REPLACED L-1 DOOR SLIDE IAW T/C R1C25305, OPERATIONAL CHECK WAS GOOD.