What was found
ENROUTE FROM KLGB TO KDAL EMERGENCY CABIN LIGHTS BLINKING ON AND OFF. PERFORMED TROUBLESHOOTING IAW FIM 33-50-00-801-802-A FOUND AFT EMERGENCY LIGHT BATTERY AT FAULT REQUESTED PARTS FROM MCC RECOMMENDED CHANGING BOTH FWD AND AFT BATTERIES REMOVED FAULTY AFT EMERGENCY BATTERY PN 7450LS-00 SN 005831 INSTALLED NEW AFT EMERGENCY BATTERY PN 7450LS-00 SN 007133 IAW AMM 33-52-01 AWAITING FWD BATTERY BEFORE TOP CHARGING REMOVED FAULTY FWD EMERGEENCY BATTERY PN 7450LS-00 SN 006113 INSTALLED NEW FWD EMERGENCY BATTERY PN 7450LS-00 SN 007224 IAW AMM 33-52-01 REFER TO FAA FORM 8130-3 EMBRAER SA PART STATUS NEW CERT DQI-2020-001 COP E-7203-01 DATED 25/OCT/2023.