What was found
CREW REPORTED SMOKE IN CABIN ON GROUND. CREW DE-PLANED PASSENGERS UNDER NORMAL CONDITIONS. MX REMOVED AND REPLACED AM AND RAM AIR CHECK VALVE, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED SMOKE IN CABIN ON GROUND. CREW DE-PLANED PASSENGERS UNDER NORMAL CONDITIONS. MX REMOVED AND REPLACED AM AND RAM AIR CHECK VALVE, OPS CHECK GOOD.