As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR- CO3479, CREW REPORTED, (PASSENGER EMERGENCY EXIT SIGN CIRCUIT BREAKER POPS WHEN THE NO SMOKING SIGN IS TURNED ON). MAINTENANCE REMOVED AND REPLACED RELAY K8601. OPS CHECKED GOOD IAW EMB145 AMM 33-23-50. AIRCRAFT RETURNED TO SERVICE.