As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2426: NOTICED RUBBING NOISE WITH RUDDER PEDAL MOVEMENT DURING CONTROL CHECK. MAINTENANCE FOUND A PIECE OF RAW ALUMINUM STOCK ON LT SIDE OF CAPTAIN'S RUDDER PEDALS. REMOVED RAW ALUMINUM STOCK PIECE FROM CAPTAIN'S RUDDER PEDALS. PERFORMED MOVEMENT CHECK OF CAPTAIN'S RUDDER PEDALS. NOSE GONE AND COMPLETE FREEDOM OF MOVEMENT. OPS CHECK GOOD. GVI SHOWS NO FURTHER DEFECTS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.