What was found
SEA - DURING MAINTENANCE CHECK, FOUND EMERGENCY TRACK LIGHT RECEIVER WILL NOT TEST AT ROW 18. REPLACED BATTERY PACK, LIGHTS TESTED NORMALLY. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - DURING MAINTENANCE CHECK, FOUND EMERGENCY TRACK LIGHT RECEIVER WILL NOT TEST AT ROW 18. REPLACED BATTERY PACK, LIGHTS TESTED NORMALLY. (M)