What was found
FLT#2101, JFK-CHS. "WHILE CRUISING AT FL 340 FLIGHT CREW EXPERIENCED AN ODOR SIMILAR TO A MAGIC MARKER IN THE COCKPIT THAT DEVELOPED INTO BURNING EYES AND THROAT. FA#1 INFORMED THE CA PAX WERE FEELING SICK WITH BURNING THROAT AND ONE VOMITING,. PHYSICAL SYMPTOMS EXPERIENCED BY CREW AND CUSTOMERS. AT THE GATE ODOR WAS NOTICABLE IN THE AFT CABIN . ( PACKS ); COMPLIED WITH INFO NOTICE 2017-T015 SECTION B2 ODOR WAS APU RELATED AND CORRECTED ON WO#1435431 N/R#6 TSI#592972 PERFORMED DECONTAMINATION LEVEL B PER TSM 05-50-00-810-085-B/05-50-00-810-085 A/C OK FOR CONT SERVICE "