As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE SERVICE CHECK, MAINTENANCE PERSONNEL FOUND THE EMERGENCY EXIT LIGHTS EXTINGUISHING IMMEDIATELY AFTER BEING TURNED ON. MAINTENANCE REMOVED AND REPLACED ALL SIX EMERGENCY POWER SUPPLIES, OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)