As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DIRTY SOCK SMELL DURING DESCENT WITH ONLY PACK 1 ON-REF LOG PAGE: 3428253-1 FOR APU R/R OPS TEST APU IAW AMM 49-00-00 OPS CHECK OK NO CONTAMINATION FOUND NO ODOR FOUND VIA AERO TRACER NO OTHER DEFECTS FOUND A/C OK FOR SERVICE