What was found
DFW - DURING OVERNIGHT MAINTENANCE, NR 3 CEILING EMERGENCY LIGHT INOPERATIVE. REPLACED MID CABIN BATTERY PACK. SYSTEM GROUND CHECK NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - DURING OVERNIGHT MAINTENANCE, NR 3 CEILING EMERGENCY LIGHT INOPERATIVE. REPLACED MID CABIN BATTERY PACK. SYSTEM GROUND CHECK NORMAL OPERATION. (M)