What was found
ORD - DURING OVERNIGHT MAINTENANCE, LEFT AND RIGHT EXTERIOR OVERWING EMERGENCY LIGHTING INOPERATIVE. REPLACED EXTERIOR EMERGENCY LIGHTING 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.
ORD - DURING OVERNIGHT MAINTENANCE, LEFT AND RIGHT EXTERIOR OVERWING EMERGENCY LIGHTING INOPERATIVE. REPLACED EXTERIOR EMERGENCY LIGHTING BATTERY PACK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)