As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LNDG AFT FA'S CALLED INFORMING US OF MID. AFT CABIN SMOKE FOLLOWED BY AN ELECTRICAL-RUBBER SMELL. DURING TAXI WE TURNED BOTH PACKS OFF AND OPENED RAM AIR THE SMOKE DISSIPATED QUICKLY BY THE TIME WE PARKED AT THE GATE. PERFORMED ODORS INSPECTION IAW TSM 05-5000-810-831-A. INSPECTED INTERIOR ITEMS, RAN BOTH PACKS FORM APU & ENGINES. NO DEFECTS, A/C OK FOR SERVICE.