As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: EMERGENCY LIGHTS BEGAN FLASHING 1.5 HOURS INTO THE FLIGHT. EMER LT SWITCH WAS IN THE ARM POSITION. REMOVED AND REPLACED FWD (1) AND AFT (2) EMERGENCY BATTERY SUPPLY'S OPS CHECK GOOD REF PHENOM 300 M/M 33-52-01.FWD P/N ON 7450LS-00 FWD S/N ON 006233 FWD P/N OFF 7450LS-00 FWD S/N OFF 007311 AFT P/N ON 7450LS-00 AFT S/N ON 006064 AFT P/N OFF 7450LS-00 AFT S/N OFF 006424