MRO (Maintenance, Repair & Overhaul)   Aviation Accidents and Incidents   Aviation Safety & Regulation  

TSB links 2023 Dash 8-400 engine fire to PW150A compressor-blade fracture

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Canada’s Transportation Safety Board found that a fractured low-pressure compressor rotor blade caused the 2023 inflight failure and fire involving a De Havilland Canada Dash 8-400 powered by Pratt & Whitney Canada’s PW150A. Investigators cited mechanical resonance and identified 13 similar incidents in their review.

Discovered 2026-09-22T18:20:39.209281-07:00 | 2026-09-22T18:20:39.209281-07:00

Briefing

What Hype is tracking

  • The finding identifies mechanical resonance and low-pressure compressor rotor-blade fracture as the failure mechanism in a PW150A-powered Dash 8-400 incident.
  • The TSB’s review of 13 similar incidents signals a recurring engine reliability and safety issue relevant to inspection, maintenance and operator risk assessments.
  • The investigation provides a specific technical basis for evaluating PW150A fleet exposure and any resulting corrective actions.

Reported By

FlightGlobal
Sources Tracked
1
First Seen
2026-09-22T18:20:39.209281-07:00
Latest Update
2026-09-22T18:20:39.209281-07:00
Coverage
Aviation

Sources

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