Federal Aviation Administration July 23, 2009 – Federal Register Recent Federal Regulation Documents
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Safety Management System
This ANPRM solicits public comments on a potential rulemaking requiring certain 14 CFR part 21, 119, 121, 125, 135, 141, 142, and 145 certificate holders, product manufacturers, applicants, and employers (hereafter ``product/service providers'') to develop a Safety Management System (SMS). SMS is a comprehensive, process-oriented approach to managing safety throughout an organization. An SMS includes an organization-wide safety policy, formal methods of identifying hazards, mitigating and continually assessing risk, and promotion of a safety culture. SMS stresses not only compliance with technical standards but increased emphasis on the organizational aspects and processes that ensure risk management and safety assurance.
Airworthiness Directives; CFM International, S.A Model CFM56-3B1 and -3B2 Turbofan Engines
The FAA proposes to adopt a new airworthiness directive (AD) for certain CFM International Model CFM56-3B1 and -3B2 turbofan engines. This proposed AD would require initial and repetitive inspections for damage to the fan blades. This proposed AD results from a report of a failed fan blade with severe out-of-limit wear on the underside of the blade platform where it contacts the damper. We are proposing this AD to prevent failure of multiple fan blades, which could result in an uncontained failure of the engine and damage to the airplane.
Airworthiness Directives; Rolls-Royce plc RB211 Trent 800 Series Turbofan Engines
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: Under certain ambient conditions, ice can accumulate on the walls of the fuel pipes within the aircraft fuel system, which can then be released downstream when fuel flow demand is increased. This released ice can then collect on the fuel-to-oil heat exchanger (FOHE) front face and limit fuel flow through the FOHE.
Airworthiness Directives; Boeing Model 747-200F, 747-200C, 747-400, 747-400D, and 747-400F Series Airplanes
The FAA proposes to supersede an existing airworthiness directive (AD) that applies to all Boeing Model 747-200F, 747-200C, 747-400, 747-400D, and 747-400F series airplanes. The existing AD currently requires repetitive inspections for cracking of certain fuselage internal structure (i.e., Sections 42 and 46 fuselage frames, upper deck floor beams, electronic bay access door cutout, nose wheel well, and main entry doors and door cutouts), and repair if necessary. This proposed AD would require additional repetitive inspections for cracking of certain fuselage structure (i.e., Section 41 fuselage frames where they connect to upper deck floor beams, and section 41 fuselage frames between stringer (S-8 and S-12), and related investigative/corrective actions if necessary. This proposed AD would also reduce the inspection threshold and repetitive inspection intervals for certain airplanes. This proposed AD results from fatigue tests and analysis by Boeing that identified additional areas of the fuselage where fatigue cracks can occur. We are proposing this AD to prevent the loss of structural integrity of the fuselage, which could result in rapid depressurization of the airplane.
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