What was found
SEA - DURING MAINTENANCE CHECK, THE OVERWING EXIT SIGNS WERE FLASHING WITH THE EMERGENCY LIGHTS ON. REPLACED BATTERY PACK AND THE LIGHTS OPERATED NORMALLY. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - DURING MAINTENANCE CHECK, THE OVERWING EXIT SIGNS WERE FLASHING WITH THE EMERGENCY LIGHTS ON. REPLACED BATTERY PACK AND THE LIGHTS OPERATED NORMALLY. (M)