As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT-STARTED TO SMELL "DIRTY SOCK" SMELL WITH ENG AT IDLE FA IN REAR ALSO NOTICED IT-REF TSM 05-50-00-810-831-A. PERFORMED ENG 1 & 2 RUNS IAW AMM 71-00-00 ISOLATED FUME EVENT TO PACK #1 WITH APU/ENG BLEEDS USING AEROTRACER NK13335T NO FAULTS ON PACK #2 SEE LOGPAGE 2992046-2 FOR PACK #1 DEFERRAL A/C OK FOR CONTINUED SERVICE