As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE INSPECTION FOUND THE NR 4 EMERGENCY LIGHT FLOOR STRIP AND MARKER LIGHTS ON THE LEFT AND RIGHT SIDE OF THE EMERGENCY EXIT DOORS INOPERABLE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 5 INVERTER IAW AMM 33-50-11. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.