As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5024 ON FINAL APPROACH AT APPX 5000 FT CABIN CREW NOTICED BURNING SMELL INTO BOSTON. NOTHING IN FLIGHT COMPARTMENT ON ARRIVAL INTO GATE. REMOVED AND REINSTALLED NBR 2 ENG INLET CONE IAW A321AMM72-11 REMOVED AND REPLACED NBR 2 ENG INLET CONE REAR SEGMENT SEAL IAW A321 AMM 72-1100. R/R BOTH RECIRC FILTER CARTRIDGES PER A321 AMM 21-21 (6862915)