As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: EXTERIOR EMERGENCY LIGHT FAULT PER TASK CARD 26L00025010. MAINTENANCE FOUND THE L1 DOOR SLIDE TO BE THE CAUSE OF THE FAULT AND REPLACED THE L1 DOOR ESCAPE SLIDE PER TASK CARD 26L00025010. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.