As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4773 DURING PRE-FLIGHT CREW FOUND EMERGENCY AISLE LIGHT INOPERATIVE. ALL OTHER LIGHTS WORKING. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED OVERHEAD EMERGENCY EGRESS BULB. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.