Key Safety Issue(s)

  • The abradable shroud material had greater combustibility characteristics when compared to other types of abradable shroud materials. The material used in the engine could ignite in the high pressure compressor and result in overpressurization and failure of the compressor case.

  • For an airport such as JFK, which had an established bird control program, activation of a runway which had been inactive for a substantial period of time without following the appropriate procedure to determine existence of and/or elimination of hazardous birds on/near the runway surface.

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