In an update to investors on September 11, RTX, parent company of Pratt & Whitney, has recognised a charge for the third quarter from the impact to the GTF PW1100 fleet arising from powder metal manufacturing issue on certain engine parts. Pratt & Whitney has developed a fleet management plan for the affected PW1100 GTF engines that requires a combination of a repetitive inspection protocol, at an interval of between approximately 2,800 and 3,800 cycles, and part life limits of between approximately 5,000 and 7,000 cycles, for high pressure turbine (HPT) discs and high-pressure compressor (HPC) discs. RTX confirmed that
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