As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HAD A SMALL SMELL OF FUMES (DIRTY SOCKS) ON TAKEOFF, BUT IT DISAPATED QUICKLY. ON DECENT (18,000 FT) FUMES RETURNED VERY STRONG. FUME PROCEDURE DONE FOR PACK1 AND FUMES DISAPATED. FUME EVENT-PACK1 SUSPECTED. -PERFORMED TSM 05-50-00-810-831A. RAN APU W/ BOTH PACKS NO SMELL. RAN ENGINE 1 W/ APU BLEED OFF & BOTH PACKS ON NO SMELL. A/C OK FOR CONTINUE SERVICE. ENG RUN DONE IN REF W/AMM 71-00-00.