NPRM for Hush-Kitted Engines

Edited by David Rimmer January 01, 2000
The FAA has issued a Notice of Proposed Rulemaking (NPRM) for Pratt&Whitney JT8D engines equipped with Stage III hush kits. The NPRM calls for an airworthiness directive (AD) reducing the cyclical life limits of compressor and turbine disks due to higher wear on the affected engines. Compressor and...

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