As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS FLASHING IN FLIGHT WITH SWITCH IN THE "ARM" OR "ON" POSITION. VERIFIED DISCREPANCY, BATTERIES WOULD NOT CHARQE. REMOVED AND REPALCED EMPERQENCY BATTERIES IAW EMB-505S AMM 33-52-01 . OPERATIONAL TEST SUCESSFUL IAW EMB505S AMM 33-52-00-710-801-A AND NJA TC-505-33-200403 DATED: 4/23/2020.