As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. AFT GALLEY ODOR REPORTED BY FLIGHT ATTENDANT'S EYES BURNING. LIGHT HEADED OCCURRED DURING TAXI OUT. PER TSM 05-50-00-810-831-A AND TSI 0077569 SOF EVENT GALLEY/ LAVATORY EXTRACT FAN REMOVE AND REPLACED AS PRECAUTIONARY. REPLACED GALLEY/LAVATORY EXTRACT FAN PER AMM 21-23-51. OPERATIONS CHECK NORMAL. (PLEASE SEE SDR AALA201809189020 FOR REPLACEMENT OF CHILLER)