What was found
CABIN EMERGENCY LIGHTS STAY ILLUMINATED WITH THE EMERGENCY LIGHT SWITCH IN THE ARM POSITION. REPEAT WRITE UP. REMOVED "FAULTY" AFT EMERGENCY BATTERY PN 7450LS-00 SN 005178 AND INSTALLED "TESTED" AFT EMERGENCY BATTERY PN 7450LS-00 SN 006473. FROM DUNCAN AVIATION CERT# JGVR194F WO# 9XMUA DATED 31/AUG/2023. REMOVED "FAULTY" FWD EMERGENCY BATTERY PN 7450LS-00 SN 006591 AND INSTALLED "TESTED" FWD EMERGENCY BATTERY PN 7450LS-00 SN 005885. FROM DUNCAN AVIATION CERT# JGVR194F WO# 9XLLA DATED 31/AUG/2023. ALL WORK PERFORMED IAW EMB PHENOM 300 AMM CHAPTER 33-52-01. OPS CHECK GOOD.