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Part 2 – Investigating FOD Damage

Part 2 – Investigating FOD Damage. Event #2 HPC-1 Blade Failure. Event # 2: HPC-1 Blade Failure. Engine removed for compressor blade damage. One HPC-1 blade suffered loss of material Numerous other blades suffered impact damage

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Part 2 – Investigating FOD Damage

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  1. Part 2 – Investigating FOD Damage Event #2 HPC-1 Blade Failure

  2. Event # 2: HPC-1 Blade Failure • Engine removed for compressor blade damage. • One HPC-1 blade suffered loss of material • Numerous other blades suffered impact damage • Borescope inspection revealed no damage to fan or fan booster. • Compressor had been completely restored during 375 hours prior to event.

  3. HPC-1 Blade Failure LE Concave surface HPC-1

  4. HPC-2, HPC-3, HPC-4 Damage HPC-2 HPC-3 HPC-4

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