What was found
ORD - DURING OVERNIGHT MAINTENANCE, FOUND EMERGENCY LIGHTS INOPERATIVE BETWEEN ROWS 18 TO 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.
ORD - DURING OVERNIGHT MAINTENANCE, FOUND EMERGENCY LIGHTS INOPERATIVE BETWEEN ROWS 18 TO 21. REPLACED BATTERY PACK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)