As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN EXIT DOOR EXIT SIGN IS ON WITH ALL POWER SHUT OFF AND MAIN BATTERIES PULLED. ENTRY LIGHT ACROSS FROM MAIN CABIN DOOR ALSO ON. ARRIVED TO AIRCRAFT WITHIN 15 MINS CONNECTED MAIN BATTERIES AND OPENED MCD VERIFIED DISCREPANCY. RESET NO 1 EMERG BATTERY G SWITCH AND PERFORMED NJA TC-FLT-33-1001 REV 2 NO FUTHER DISCREPANCY NOTED.