As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - FLIGHT ATTENDANTS REPORTED A STRONG SMELL OF SMOKE IN THE AFT CABIN JUST BEFORE LANDING. FLIGHT ATTENDANTS TURNED OFF THE POWER PORTS AND SMELL OF SMOKE SLOWLY DISSIPATED. AIRCRAFT REMOVED FROM SERVICE. REPLACED R917. SYSTEM GROUND CHECK NORMAL OPERATION.