As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT. MOMENTARY DURING CRUISE AND CONTINOUS DURING DESCENT, ONLY IN THE CABIN, NEVER FELT IT IN THE FLIGHT DECK. ( PACKS A319 WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) - AT OR BELOW FL 370 )--