What was found
AIRCRAFT WAS GROUNDED: FAIRLY STRONG ACID/OILY ODOR DETECTED BY PASSENGERS AND CREW AT CRUISE. PERSISTED THROUGHOUT REMAINDER OF FLIGHT DESPITE ATTEMPTING NON-NORMAL PROCEDURE ITEMS. BURNING EYES, THROATS, HEADACHES. **SUPPLEMENTAL REPORT FOR AALA202202283159: MAINTENANCE FOUND CONTAMINATION IN THE APU INLET PLENUM AND CLEANED IT. ALSO ACCOMPLISHED DECONTAMINATION OF THE ESC SYSTEM PER TASK CARD 26L00021004 AND APU COMPARTMENT INSPECTED AND LEAK CHECKED PER TASK CARD 26T30049001. NO DEFECTS WERE NOTED. ** (CLOSED)