What was found
ORD - EMERGENCY BATTERIES WILL NOT RUN EMERGENCY LIGHTS. REPLACED ALL FOUR BATTERY PACKS 43WL, 61WL, 73WL, AND 62WL. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. REF: OPERATOR CONTROL NR SIMA97227-1, 97ZZZX4163, AND 97ZZZX4165.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - EMERGENCY BATTERIES WILL NOT RUN EMERGENCY LIGHTS. REPLACED ALL FOUR BATTERY PACKS 43WL, 61WL, 73WL, AND 62WL. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. REF: OPERATOR CONTROL NR SIMA97227-1, 97ZZZX4163, AND 97ZZZX4165.