What was found
DURING PRE-FLIGHT, FOUND EMERGENCY TRACK LIGHTING INOPERATIVE AT ROW 16. REPLACED THE POWER SUPPLY AND BATTERY PACK. CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PRE-FLIGHT, FOUND EMERGENCY TRACK LIGHTING INOPERATIVE AT ROW 16. REPLACED THE POWER SUPPLY AND BATTERY PACK. CHECKED OK.