What was found
EMERGENCY LIGHTS BATTERY: ENROUTE WE NOTICED THE EMERGENCY LIGHTS ILLUMINATED WITH THE SWITCH IN THE ARM POSITION. REMOVED FWD EMERGENCY BATTERY DUE TO BATTERY DRAIN P/N:74S0LS-00 S/N:005004 AND REPLACED WITH CUSTOMER SUPPLIED NEW EMERGENCY BATTERY P/N: 7450L5--00 S/N: 006541. REMOVED AFT BATTERY DUE TO BATTERY DRAIN P/N: 7450LS-00 S/N:006246 AND REPLACED WITH CUSTOMER SUPPLIED NEW BATTERY P/N: 7450LS-O0 S/N:0065440PS. CHECK GOOD REF EMB505 AMM 33-52-01. ORIG SUBMISSION DATE: 11/22/2022