As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTS IRRITANT IN CABIN AIR AFTER TAKEOFF. GROUND RAN BOTH ENGINES. OPERATED BLEEDS ON LP AND HP AIR. OPERATED BLEEDS INDIVIDUALLY AND TOGETHER. OPERATED APU BLEED AIR. AT NO TIME WAS ANY IRRITANT OR SMELL OR ANY STRANGE ANOMALY FOUND IN THE CABIN OR COCKPIT AIR. 3 MECHANICS ALL FOUND CABIN AIR TO BE A ACCEPTABLE. NO FAULTS FOUND. CHECKS GOOD. RETURNED TO SERVICE, NO PARTS REPLACED.