QK8234 - Incident: Jazz CRJ2 at Toronto on Jan 22nd 2022

A Jazz Aviation Canadair CRJ-200, registration C-GUJA performing flight QK-8234 from Sudbury,ON to Toronto,ON (Canada) with 17 people on board, was on approach to Toronto when the crew started the APU but received a fault message followed by a fire warning. The APU automatically shut down. Subsequent a burning smell became apparent in the cabin. The aircraft continued for a safe landing on Toronto's runway 24R about 15 minutes later. Emergency services did not detect any trace of fire, the aircraft taxied to the gate.

The Canadian TSB reported maintenance found damage the intake supply duct and bellows consistent with the APU door closing while the APU was operating at speed. The door actuator, potentiometer and the electronic control unit were replaced.