As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 5005, ODOR IN CABIN & COCKPIT MORE PREVALENT AFTER APU BLEED FLIGHT ATTENDANT DESCRIBED AS " METALLIC". CORRECTIVE ACTION: FOUND LEAK COMING FROM INPUT LINE OFF OF OIL COOLER. REPLACED O-RING SEALS PER A321 AMM 49-91. PERFORMED LEVEL B REMOVAL OF ECS IN REF TO A321 AMM 21-00. REPLACED RECIRCULATING FILTERS PER A321 AMM 21-21. (LP 6995576)