As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE VISIT RIGHT AFT EMERGENCY LIGHT FOUND INOPERATIVE. BULB WAS REPLACED WITH NO FIX. AFTER TROUBLESHOOTING IT WAS DISCOVERED THAT BOTH FORWARD AND AFT POWER SUPPLIES HAD BLOWN FUSES. FUSES WERE REPLACED, OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.