As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B INSPECTION FOUND THE AFT CABIN CEILING EMERGENCY EXIT SIGN INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPLACED AFT CABIN EXIT IDENTIFIER IN REFERENCE WITH EMB AMM TASKS 25-24-01-000-801-A & 25-24-01-400-801-A. THE OPERATIONAL CHECK WAS GOOD. NO FURTHER DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.