As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - DURING MAINTENANCE CHECK, FOUND EMERGENCY FLOOR TRACK LIGHTS IN THE AFT PORTION OF THE PASSENGER CABIN INOPERATIVE. REMOVED AND REPLACED REMOTE ASSEMBLY BATTERY (P/N 86210144) AND RECEIVER (P/N 883200312) THEN LIGHTS OPERATED NORMAL. (M)