What was found
PDX - SMOKE IN CABIN AFTER ENGINE START. REPLACED NR 2 ENGINE P2.5/3 SWITCHING VALVE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - SMOKE IN CABIN AFTER ENGINE START. REPLACED NR 2 ENGINE P2.5/3 SWITCHING VALVE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.