As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2156, DEN-LGA. ON DESCENT INTO LGA AT ABOUT 7000 FT IN CLEAR BUT HAZY AIR IN FLIGHT REPORTED DIRTY SOCK SMELL FOR REST OF FLIGHT ( PACKS ); ACCOMPLISHED ENG RUN IAW AMM 71-00-00 AND PERFORMED OPS TEST ON BOTH PACKS 1 AND 2 PER AMM 21-52-00. NO CABIN ODOR NOTED FROM EITHER PACK. CLEARS MDDR 444872. MX4 UPDATED. MCC NOTIFIED. PLACARD REMOVED.