As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/LGA - DURING PRE-FLIGHT INSPECTION, THE CREW NOTICED THE RIGHT AFT EXTERIOR EMERGENCY EXIT LIGHT INOPERABLE. MAINTENANCE DEFERRED THIS DISCREPANCY PER MEL 33-51-2, THE AIRCRAFT RETURNED TO SERVICE. MAINTENANCE LATER REMOVED AND REPLACED THE EMERGENCY LIGHT AND OPS CHECKED GOOD. (X)