As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS INOP AT BACK OF COCKPIT OVD PNL AND ABOVE L1 R1 DOORS. RPLCD EMERG BATTERY PACK ASSY AND BATTERIES FOR OVHD EMERG LIGHTS LOCATED ON FWD CTR ISLE DROP DOWN PNL NO HELP. 772386. RPLCD EMERG LTS BATT PACK B5-23 REF MD88 AMM 33-51 OPERATION NML (LP6404321)