As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AC ESS BUS COMES ON AND OFF DURING FLIGHT. WITH EMER POWER SWITCH IN ARM THE EMER LIGHTS WILL ALSO THEREFORE COME ON WHEN THE AC ESS BUS COMES ON TOO AND IT GOES OFF AS THE AC ESS BUS GOES OFF. REMOVED AND REPLACED AC ESS BUS SENSE RELAY KIXD IAW CL-650 AMM 24-51-17, OPS CHECK / GOOD.