What was found
FLIGHT 5479 - CABIN SMOKE OCCURRED AFTER TRANSFERRING BLEED TO APU ON GROUND. TAXIED TO GATE WITHOUT INCIDENT. REPLACED RIGHT RAM AIR CHECK VALVE. NO FURTHER DEFECTS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5479 - CABIN SMOKE OCCURRED AFTER TRANSFERRING BLEED TO APU ON GROUND. TAXIED TO GATE WITHOUT INCIDENT. REPLACED RIGHT RAM AIR CHECK VALVE. NO FURTHER DEFECTS.