As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE FUNCTIONAL CHECK OF THE EMERGENCY EVACUATION LIGHTING SYSTEM, TWO LIGHT BULBS, ONE ON EACH SIDE OF THE AIRCRAFT EXTERIOR OVER WING, FAILED TO ILLUMINATE. MAINTENANCE CHANGED THE TWO BULBS AND THE EMERGENCY EVACUATION LIGHTING SYSTEM WORKED AS DESIGNED.