What was found
DURING LINE CHECK, FOUND ALL FLOOR EMERGENCY TRACK LIGHTS INOPERATIVE. REPLACED FORWARD POWER SUPPLY, ALL FOUR BATTERY PACKS AND OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING LINE CHECK, FOUND ALL FLOOR EMERGENCY TRACK LIGHTS INOPERATIVE. REPLACED FORWARD POWER SUPPLY, ALL FOUR BATTERY PACKS AND OPERATIONAL CHECK GOOD.