What was found
ORD - CEILING EMERGENCY LIGHTS AT ROWS 12 TO 22 INOPERATIVE. REPLACED BATTERY PACK FOR CEILING EMERGENCY LIGHTS AT ROWS 12 TO 22. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - CEILING EMERGENCY LIGHTS AT ROWS 12 TO 22 INOPERATIVE. REPLACED BATTERY PACK FOR CEILING EMERGENCY LIGHTS AT ROWS 12 TO 22. SYSTEM GROUND CHECKED NORMAL OPERATION.