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 EMERGENCY LIGHT AT ROWS 3/4 AND 5/6 FAILED TO ILLUMINATE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NR 3 EMERGENCY LIGHT INVERTER IAW AMM 33-50-11. OPS CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.