As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
291717/3 -14TH STAGE BLEED AIR CHECK VALVE REMOVED FOR INSPECTION. FOUND BUTTERFLY VALVE PARTS MISSING. REF LOG 201715/1 - RT WING ANTI-ICE OVERHEAT. ENGINE NR 2, 14TH STAGE BLEED AIR CHECK VALVE REPLACED IAW AMM 30-12-01 MISSING PIECES FOUND IN REMOVED RT PICCOLO TUBE. REF 201715/3. LEAK AND OPS TEST OF BLEED AIR CHECK VALVE OK. IAW AMM 30-12-00. (K)