As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SMELL OF FUEL AND SMOKE IN AIRCRAFT AFTER APU STARTED ON DESCENT. EMERGENCY RESPONSE CALLED. FLIGHT LANDED AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. APU REPLACED OPERATION AND LEAK CHECK CARRIED OUT AND SYSTEM CHECKED SERVICEABLE.