As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1333, DCA-PBI. 'ON DECENT ON ARRIVAL 5500-4000 DIRTY SOCK ODOR PERFORMED FUMES CHECKLIST ISOLATED PACK # 1; ACCOMPLISHED INFO-NOTICE 2017-T015K IDENTIFIED ODOR SOURCE APU(OIL SATURATION) TYPE 1. PERFORMED LEVEL A ECS DECON PER TSM 05-50-00-81-085-B. PERFORMED ENG RUN WITH BLEED. CONFIRMED AIR QUALITY CHECKS OK. APU TO BE PLACED ON MEL.'