As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: IN FLIGHT WITH EMER LT SWITCH IN THE ARM POSITION, CABIN EMER LIGHTS FLASHING. *** CORRECTIVE ACTION *** REMOVED AND REPLACED BOTH FWD AND AFT EMERGENCY BATTERY WITH REFERENCE TO EMB-505 AMM 33-52-01, OPS CHECKS GOOD.