Federal Aviation Administration November 13, 2012 – Federal Register Recent Federal Regulation Documents
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Special Conditions: ATR-GIE Avions de Transport Regional, Models ATR42-500 and ATR72-212A Airplanes; Aircraft Electronic System Security Protection From Unauthorized External Access
These special conditions are issued for the ATR-GIE Avions de Transport Regional Models ATR42-500 and ATR72-212A airplanes. These airplanes will have novel or unusual design features associated with the architecture and connectivity capabilities of the airplanes' computer systems and networks, which may allow access to or by external computer systems and networks. Connectivity to, or access by, external systems and networks may result in security vulnerabilities to the airplanes' systems. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for these design features. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.
Airworthiness Directives; Univair Aircraft Corporation Airplanes
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to certain Univair Aircraft Corporation Models (ERCO) 415-C, 415-CD, 415-D, E, G; (Forney) F-1 and F-1A; (Alon) A-2 and A2-A; and (Mooney) M10 airplanes. All references to Ercoupe Service Memorandum No. 20, Revision A, dated September 1, 2008, in the non-regulatory preamble and the regulatory text of the AD are incorrect because it is a service bulletin instead of a memorandum. This document corrects these errors. In all other respects, the original document remains the same.
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Tay 611-8 turbofan engines. This proposed AD was prompted by a recent quality review determination that bolts with reduced material properties may have been installed in some engines. This proposed AD would require inspection and replacement if necessary, of affected bolts. We are proposing this AD to prevent uncontained turbine disc fracture and damage to the airplane.
Air Carrier Contract Maintenance Requirements
The Federal Aviation Administration (FAA) proposes to amend the maintenance regulations for domestic, flag, and supplemental operations, and commuter and on-demand operations for aircraft type certificated with a passenger seating configuration of 10 seats or more (excluding any pilot seat). The proposed rules would require these operators to develop policies, procedures, methods, and instructions for performing contract maintenance that are acceptable to the FAA and to include them in their maintenance manuals. The rules would also require the operators to provide a list to the FAA of all persons with whom they contract their maintenance. These changes are needed because contract maintenance has increased to over 70 percent of all air carrier maintenance, and numerous investigations have shown deficiencies in maintenance performed by contract maintenance providers. The proposals would help ensure consistency between contract and in-house air carrier maintenance and enhance the oversight capabilities of both the air carriers and the FAA.
Airworthiness Directives; Bombardier, Inc. Airplanes
We are revising an existing airworthiness directive (AD) for certain Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes; all Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes; all Model CL-600-2D15 (Regional Jet Series 705) airplanes; and all Model CL-600-2D24 (Regional Jet Series 900) airplanes. That AD currently requires replacing certain water accumulator assemblies having a certain part installed on the pitot and static lines of the air data computer (ADC). This new AD corrects an erroneous service document number and removes the other erroneously cited service document from that AD. This new AD was prompted by an error that was discovered in one service document number, and a determination that credit for accomplishing actions in another erroneously cited service document should be removed from that AD. We are issuing this AD to prevent pitot-static tubing from becoming partially or completely blocked by water, which could result in erroneous airspeed and altitude indications and consequent loss of control of the airplane.
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