As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT DURING CRUISE AT FLIGHT LEVEL 370 FLIGHT ATTENDANTS ADVISED FLIGHT CREW THEY FELT LIGHT HEADED. NO SMOKE, NO FUMES IDENTIFIED. CABIN ALTITUDE WAS 6000 FEET. FLIGHT DIVERTED, LANDING UNEVENTFUL & NOT OVERWEIGHT. REPLACED LT & RT RECIRCULATION FILTERS. PERFORMED ENG RUNS & INSPECTED OVERHEAD BINS & CARGO COMPARTMENTS. ALL CHECKED NORMAL.