As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1236, SJU-STT. 'PLASTIC SMELL COMING INTO CABIN WITH APU ON AND PACKS ( PACKS ); C/W INFO. NOTICE 2017-T015J INSPECTED APU FOR EVIDENT LEAKS OR ABNORMAL OPERATIONAL FOUND OKAY AT THIS TIME. CONTINUE T/S COMPLETED PARKS BURN ON BOTH SIDE R/R EPA FILTERS AS PER TSM 05-50-00-810-085-B AND D RUN BOTH PACKS NO DEFECT NOTE AT THIS TIME. A/C OKAY FOR SVC. MCC. NOTIFIED.'