Boeing's Request To FAA Details 777, 737 Nacelle Changes

aircraft wreckage from fan blade failure incident
Damage caused in recent fan blade failure incidents has prompted regulators and Boeing to reexamine nacelle designs.
Credit: NTSB
Details of Boeing’s planned design changes for nacelles paired with CFM56-7 and Pratt & Whitney PW4000-series engines include multiple structural modifications that the manufacturer suggests operators be permitted to phase in as they are approved, rather than testing the entire nacelle system at the...

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