What was found
DFW - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHTING WAS INOPERATIVE AT SEAT ROWS 19 THROUGH 21. REPLACED BATTERY PACK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - DURING OVERNIGHT MAINTENANCE, EMERGENCY EXIT LIGHTING WAS INOPERATIVE AT SEAT ROWS 19 THROUGH 21. REPLACED BATTERY PACK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)