What was found
ON PREFLIGHT CHECK, EMERGENCY TRACK LIGHTING INOP AT MID CABIN. REPLACED AFT BATTERY PACK AND BASE FOR FLOOR TRACK SYS, OPS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON PREFLIGHT CHECK, EMERGENCY TRACK LIGHTING INOP AT MID CABIN. REPLACED AFT BATTERY PACK AND BASE FOR FLOOR TRACK SYS, OPS NORMAL.