What was found
DURING SCHEDULED SERVICE CHECK, FOUND EMERGENCY FLOOR TRACK LIGHTING BATTERY PACK INOP. REPLACED FLOOR TRACK LIGHTING BATTERY PACK PER BOEING MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED SERVICE CHECK, FOUND EMERGENCY FLOOR TRACK LIGHTING BATTERY PACK INOP. REPLACED FLOOR TRACK LIGHTING BATTERY PACK PER BOEING MM.