As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A LINE MAINTENANCE CHECK, THE EMERGENCY FLOOR TRACK LIGHTING WAS FOUND TO BE VERY DIM. FOUND AFT TWO BATTERY PACKS NOT WIRED TO FLOOR TRACK. INSTALLED MISSING WIRE FROM PACKS AT 19ABC AND 24ABC. ALSO, REPLACED BATTERY PACK AT 24ABC. OPERATIONALLY CHECKS GOOD.