As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO TUL DUE TO SEVERAL PASSENGERS REPORTED LIGHT HEADINESS, DIZZINESS AND NAUSEA AT FL300. MAINTENANCE PERFORMED BORESCOPE INSPECTION OF STAGE 3 AND 4 HPC OF NR 1 AND 2 ENGINES. NO EVIDENCE OF OIL LEAKAGE FOUND. REMOVED AND REPLACED COALESCE BAGS. RAN BOTH ENGINES WITH FIRE DEPARTMENT ON BOARD. NO CO2 DETECTED. PERFORMED DUCT BURNOUT. AIRCRAFT OKAY FOR SERVICE. (LP# 8512746)