What was found
FLT#1505, EWR-FLL. BLACK MAGIC MARKER ODOR APPROX 5,000 FT DURGIN DESCENT. ODOR ISOLATION PROCEDURE APPLIED. DISSIPATED WITH PACK 1 OFF; COMPLIED WITH INFO NOTICE 2017-T015, SECTION A, ISOLATED FAULT TO TYPE 10, PER TSM 05-50-00-810-085-B / TSM 05-50-00-810-085-D. AIRCRAFT IS OK FOR SERVICE.