As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK 1 ODOR ON CLIMBOUT PACK 2 ODOR ON DESCENT STRONG AND PERSISTENT. -PERFORMED FAULT INSOLATION PER TSM 05-50-00-810-831-A FOUND ORDER TO BE FROM PACK BLEED #2, REF LOGPAGE 3384187-1 DEFERRED PER PPE(BLEED AIR SUPPLY SYSTEM A320CEO/321 CEO WITH MOD 312831.