Federal Aviation Administration April 15, 2005 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; General Electric Company CT7-5, -7, and -9 Series Turboprop Engines
The FAA proposes to adopt a new airworthiness directive (AD) for General Electric Company (GE) CT7-5A2, -5A3, -7A, -7A1, -9B, -9B1, and -9B2 turboprop engines, with stage 2 turbine aft cooling plate, part number (P/N) 6064T07P01, 6064T07P02, 6064T07P05, or 6068T36P01 installed. This proposed AD would require a onetime eddy current inspection (ECI) of certain P/N stage 2 turbine aft cooling plate boltholes. This proposed AD results from reports of six stage 2 turbine aft cooling plates found cracked during inspection. We are proposing this AD to prevent stage 2 aft cooling plate separation, resulting in uncontained engine failure and damage to the airplane.
Standard Instrument Approach Procedures; Miscellaneous Amendments
This amendment establishes, amends, suspends, or revokes Standard Instrument Approach Procedures (SIAPs) for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, addition of new obstacles, or changes in air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
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