What was found
ORD - ALL AIRCRAFT EMERGENCY LIGHTS FAILED WHILE PERFORMING CARD 0299. REPLACED ALL BATTERY PACKS FOR ALL AIRCRAFT EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - ALL AIRCRAFT EMERGENCY LIGHTS FAILED WHILE PERFORMING CARD 0299. REPLACED ALL BATTERY PACKS FOR ALL AIRCRAFT EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.