As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS/RDU - FLT 5888 - DURING A POST-FLIGHT INSPECTION, THE CREW FOUND THE EMERGENCY EXIT SIGN INOPERATIVE. MAINTENANCE PERFORMED AN OPS CHECK DURING OVERNIGHT MAINTENANCE. THE SYSTEM OPERATED NORMALLY AND THE AIRCRAFT RETURNED TO SERVICE. (X)