As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 9801 THE EMERGENCY LIGHT (LOWER SIGN) AT ROW 15 WAS FOUND TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. RECONNECTED CONNECTOR TO THE NUMBER 4 POWER SUPPLY. THE OPERATIONAL CHECK WAS GOOD IAW CRJ AMM. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.