Federal Aviation Administration May 31, 2007 – Federal Register Recent Federal Regulation Documents

Airworthiness Directives; General Electric Company Aircraft Engine Group (GEAE) CF6-45A Series, CF6-50A, CF6-50C Series and CF6-50E Series Turbofan Engines
Document Number: E7-10512
Type: Proposed Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for GEAE CF6-45A, 45A2, -50A, -50C, -50CA, -50C1, -50C2, -50C2B, - 50C2D, -50C2F, -50C2R, -50E, -50E1, -50E2, and -50E2B turbofan engines. This proposed AD would require replacing the compressor discharge pressure (CDP) restoring spring assembly on certain main engine controls (MECs) or re-marking MECs that already incorporate GEAE Service Bulletin (SB) No. CF6-50 S/B 73-0119, dated March 21, 2005. This proposed AD results from reports of five events involving fractured CDP restoring spring assemblies. We are proposing this AD to prevent loss of engine thrust control that could lead to loss of control of the airplane.
Airworthiness Directives; General Electric Company CF6-50C Series Turbofan Engines
Document Number: E7-10316
Type: Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) CF6-50C series turbofan engines. This AD requires reworking certain forward fan stator cases and installing a fan module secondary containment shield. This AD results from reports of uncontained fan blade failures causing damage and separation of airplane hydraulic lines. We are issuing this AD to prevent uncontained fan blade failures, which can result in separation of airplane hydraulic lines, damage to critical airplane systems, and possible loss of airplane control.
Standard Instrument Approach Procedures, Weather Takeoff Minimums; Miscellaneous Amendments
Document Number: E7-10265
Type: Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
This amendment establishes, amends, suspends, or revokes Standard Instrument Approach Procedures (SIAPs) and/or Weather Takeoff Minimums 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.
Modification of Class E Airspace; St. Johns, AZ
Document Number: E7-10259
Type: Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
This action modifies the Class E airspace area at St. Johns, AZ. The establishment of an Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP) to Runway 32 at St. Johns Industrial Air Park, St. Johns, AZ, has made this action necessary. Additional controlled airspace extending upward from 700 feet above the surface is needed to contain aircraft executing the RNAV (GPS) IAP to RWY 32 at St. Johns Industrial Air Park makes this proposal necessary. The intended effect of this action is to provide adequate controlled airspace for aircraft executing the RNAV (GPS) SIAP to RWY 32 at St. Johns Industrial Air Park, St. Johns, AZ.
Standard Instrument Approach Procedures; Miscellaneous Amendments
Document Number: E7-10250
Type: Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
This amendment amends Standard Instrument Approach Procedures (SIAPs) for operations at certain airports. These regulatory actions are needed 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.
Airworthiness Directives; MORAVAN a.s. Model Z242L Airplanes
Document Number: E7-10237
Type: Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters
Document Number: E7-10126
Type: Rule
Date: 2007-05-31
Agency: Federal Aviation Administration, Department of Transportation
This amendment adopts a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76A, B, and C helicopters. This action requires a one-time ultrasonic inspection of the main rotor shaft assembly (M/R shaft) for cracking. This amendment is prompted by the discovery of cracking that occurred during the manufacturing of certain M/R shafts. The actions specified in this AD are intended to detect cracking in the M/R shaft, which could result in separation of the main rotor and subsequent loss of control of the helicopter.