As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DURING CLIMB PACK 1 SELETED OFF PER QEM.-FOLLOWED CAUSE OF ODOR TSM 05-50-00-810-831-A. INSP A/C ENGS FOR EXTL LEAKS, APU, PACK 1 + 2 INLETS. NO DEFECTS NOTED. ISOLATED ODOR TO CONTAMINATED PACK 1. ALL OTHER BLD SOURCES NORMAL. REF LP 2517476-2 FOR PACK 1 DEFERRAL.