As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERG LIGHTS CAME ON DURING FLIGHT IN THE ARM POSITION. LIGHTS STARTED FLICKERING UPON DESCENDING (ABOUT 15 MIN LATER). POWERED UP AIRCRAFT AND DUPLICATED SQUAWK. FOUND LIGHTS FLASHING IN THE ARMED MODE. COMPLIED WITH THE RECHARGING OF THE EMERGENCY BATTERIES IAW AMM 24~41-00. OPS CHECK SATISFACTORY WITH NO DEFECTS NOTED. COMPLIED WITH NJATASK CARO FORM TC-505-33-200403 DATED 04/23 12020