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FAA Orders CF34 Inspections for Corrosion

April 30, 2026
2 min read
Sponsored by: Jumpseat Solutions
Key Takeaways
  • The FAA plans to require inspections of GE Aerospace CF34 turbofans for corrosion.
  • Over 1,100 CF34-3s on US aircraft are affected.
  • Corrosion caused a 2024 Challenger crash, killing two pilots.
  • Operators must complete start tests and HPC case borescope inspections.
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Strategic Implications

The FAA's proposed rule may indicate a heightened focus on engine safety and reliability. The requirement for inspections suggests that corrosion could be a widespread issue, which could impact the operational availability of affected aircraft and may lead to increased maintenance costs for operators.

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What Happened

US Aviation Regulator Acts After Challenger Crash

The Federal Aviation Administration plans to require operators to inspect GE Aerospace CF34 turbofans for corrosion after a 2024 event involving a dual-engine failure on a Challenger aircraft. The proposed rule applies to over 1,100 CF34-3s on US-registered aircraft, which power MHIRJ CRJ200 regional jets and Bombardier Challenger 600 business jets. The FAA’s action follows an investigation by the US National Transportation Safety Board, which cited corrosion as a contributing factor to the crash. The proposal was reported by FlightGlobal.

Source

Companies Mentioned
GE Aerospace MHIRJ Bombardier Federal Aviation Administration
Topics
Engine Safety Corrosion FAA Regulations Aircraft Maintenance Turbofans
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Home › Categories › COMMERCIAL AVIATION

FAA Orders CF34 Inspections for Corrosion

April 30, 2026
2 min read
Sponsored by: Jumpseat Solutions
Key Takeaways
  • The FAA plans to require inspections of GE Aerospace CF34 turbofans for corrosion.
  • Over 1,100 CF34-3s on US aircraft are affected.
  • Corrosion caused a 2024 Challenger crash, killing two pilots.
  • Operators must complete start tests and HPC case borescope inspections.
Sign in to view key takeaways Get full access to in-depth analysis and key takeaways.
Sign In
Silver membership required Upgrade to Silver to access Key Takeaways.
Upgrade
Strategic Implications

The FAA's proposed rule may indicate a heightened focus on engine safety and reliability. The requirement for inspections suggests that corrosion could be a widespread issue, which could impact the operational availability of affected aircraft and may lead to increased maintenance costs for operators.

Sign in to view strategic implications Get full access to strategic analysis and expert insights.
Sign In
Silver membership required Upgrade to Silver to access Strategic Implications.
Upgrade

What Happened

US Aviation Regulator Acts After Challenger Crash

The Federal Aviation Administration plans to require operators to inspect GE Aerospace CF34 turbofans for corrosion after a 2024 event involving a dual-engine failure on a Challenger aircraft. The proposed rule applies to over 1,100 CF34-3s on US-registered aircraft, which power MHIRJ CRJ200 regional jets and Bombardier Challenger 600 business jets. The FAA’s action follows an investigation by the US National Transportation Safety Board, which cited corrosion as a contributing factor to the crash. The proposal was reported by FlightGlobal.

Source

Companies Mentioned
GE Aerospace MHIRJ Bombardier Federal Aviation Administration
Topics
Engine Safety Corrosion FAA Regulations Aircraft Maintenance Turbofans
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