As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1402 SFO-AUS HARSH ODOR REPORTED IN AFT CABIN WITH PACK 1 AND PACK 2 AND A HAZY SMOKE. WHILE T/S ODOR EVENT NOTED POSSIBLE SMELL FROM LTV XEB AT 23CD. OPS CHECK ON PACK 1 AND 2 OK IAW AMM 21-00-00. REMOVED AND REPLACED 23 XEB AND PERFORMED LTV MM 44-20-10, SYS OK.