As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PS-1 CHECK, FOUND BOTH LH AND RH EXTERIOR OVERWING EMERGENCY LIGHTS INOP-C/A-REMOVED AND REPLACED BATTERY ASSEMBLY AND BATTERY CHARGER ASSEMBLY IAW AMM 33-50-04. OPERATIONAL CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. CHARGEDR ASSY BATTERY P/N BA5-0933-901 S/N C01545