What was found
SEA - DURING MAINTENANCE CHECK, FOUND EMERGENCY EXIT LIGHTS AT ROW 12 WILL NOT TEST. REPLACED REMOTE ASSEMBLY RECEIVER AND BATTERY. LIGHTS OPERATED NORMALLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - DURING MAINTENANCE CHECK, FOUND EMERGENCY EXIT LIGHTS AT ROW 12 WILL NOT TEST. REPLACED REMOTE ASSEMBLY RECEIVER AND BATTERY. LIGHTS OPERATED NORMALLY.