As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING OUT OF IAH. FA REPORTED AIR QUALITY EVENT IN AFT CABIN-FOLLOWED TSM 05-50-00 FOR CAUSE OF ODOR OR SMOKE, CHECKED ENGINES + APU FOR SIGNS OF LEAKAGES REF TSM 71-00-00 + 49-00-00 NONE NOTED. ENIGINES RAN BY FLT CREW ISOLATING BLEEDS WHILE OPERATING BOTH PACKS INDIVIDUALLY, FOUND PACK 2 AS CAUSE OF ODOR SEE LP 2403850-2 FPR MEL EMP#48427