As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - DURING MAINTENANCE CHECK, THE EMERGENCY EXIT FLOOR TRACK LIGHTS AT ROWS 12-14 AND 21-29 WERE FOUND TO BE INOPERATIVE. REPLACED WIRING HARNESS FOR ROWS 12-14 AND REPLACED BATTERY PACK FOR ROWS 21-29, ALL LIGHTS OPERATED NORMALLY. REF ASAA0080583.(M)