TSB links Dash 8 engine fire to blade failure caused by mechanical resonance
Investigator cites 13 similar incidents. Canadian investigators have traced the 2023 inflight failure of a De Havilland Canada Dash 8-400’s Pratt & Whitney Canada (P&WC) PW150A to a fractured low-pressure compressor (LPC) rotor blade. The Transportation Safety Board of Canada (TSB) links the blade fracture to mechanical resonance that can be exacerbated by factors including…






