As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH PILOTS REPORTED A NAUSEOUS FEELING INFLIGHT. CREW COMMENTS: STRONG DISINFECTANT ODOR IN CABIN. ODOR PRESENT DURING INITIAL PACK RUN. AFTER ENGINE RUN AND SWITCHING BLEED SOURCE BETWEEN APU AND ENGINE, SMELL DISSIPATED AND DID NOT RETURN. RAN PACKS ON HOT AND HIGH FLOW TO GENERATE ODOR, NO ODOR. CONFIRMED WITH CAPTAIN AND CAPTAIN AGREED NO ODOR.