As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 5030, DIRTY SOCK SMELL INTERMITTENT THROUGHOUT FLIGHT. ISOLATED SMELL TO NR 1 BLEED TYPE 2 ON WORK CARD. WORKING THROUGH WORKCARD 7100-2018, FOUND WELLING ON INSIDE OF SPINNER OF ENG 1. REPLACED FAN INLET CONE PER A321 AMM 72-11. REPLACED FAN SHAFT COVER AND SEAL PER A321 PW1000-G-C-72-00-11-01A-720A-B STEP 9. RAN ENGINES FOR ECS DECONTAMINATION. REF A321 AMM 21-00. NO SMELLS NOTED REPLACED RECIRC FILTER. (LP 5801975)