What was found
FLT 323, JFK-LAX. IN FLIGHT, REPORTED CHEMICAL ODOR, APU ODOR EVENT SUSPECTED AFTER ENG RUNS CAME BACK WITH NO FINDINGS (APU SYSTEM ). C/W INFO NOTICE 2017-T015N, STEP 1 ISOLATED FAULT TO TYPE 10 LEVEL IAW TSM 05-50-00-810-085-B. AS A PRECAUTION, MEL APU IAW 49-10-01A, CAT C MDDR 630613. MX4 UPDATED PLACARD INSTALLED MCC NOTIFIED . CFDS APU FCN NOT AVAIL PULL AND COLLARED L41 AND L42 ON 121VU PER MEL 49-10-01A. OPEN