As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DIRTY SOCKS, ON CLIMBOUT AND DESCENT PHASE OF FLIGHT REF TSM 05-50-00-810-831A. ISOLATED NR 1 PACK ON ENG 1 AND PACK 2 ON ENG 2. ODOR PRESENT ON PACK1 WITH BLEED 1, NO ODOR PRESENT WITH PACK 2 ON BLEED 2 OR APU BLEED. REF LP 2123967-1 FOR PACK 1 DEFERRAL