As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A LINE CHECK, MAINTENANCE FOUND THE DOOR 3L ROUND EMERGENCY LIGHT INOPERATIVE. AFTER EXTENSIVE TROUBLESHOOTING, MAINTENANCE REPLACED THE L1166 LIGHT ASSEMBLY AND THE M7919 POWER SUPPLY FUSE. OPERATIONAL CHECK WAS GOOD. (2010-00807)