What was found
EMERGENCY LIGHTS ON AFTER BATTERIES OFF WITH EMER LIGHTS SWITCH IN OFF POSITION. SHUT OFF GPU & REBOOTED ACFT APU, EMER LIGHTS WENT OFF AFTER SHUTTING OFF ALL ACFT POWER. OPERATIONS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS ON AFTER BATTERIES OFF WITH EMER LIGHTS SWITCH IN OFF POSITION. SHUT OFF GPU & REBOOTED ACFT APU, EMER LIGHTS WENT OFF AFTER SHUTTING OFF ALL ACFT POWER. OPERATIONS CHECKED GOOD.