As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING ON THE RIGHT HAND SIDE OF THE FIRST CLASS SECTION OF THE CABIN HAD FAILED. MAINTENANCE REPLACED THE ASSOCIATED FUSE IN THE POWER SUPPLY AT DOOR 1R. OPS CHECK WAS GOOD.