Federal Aviation Administration April 2014 – Federal Register Recent Federal Regulation Documents

We are superseding airworthiness directive (AD) 2007-19-09R1 for all Turbomeca S.A. Arriel 2B1 turboshaft engines that do not have modification TU157 incorporated. AD 2007-19-09R1 required replacement of the hydromechanical metering unit (HMU) with a serviceable HMU. This AD requires HMU replacement; reduction of the compliance interval; and inclusion of the power turbine C2 cycle consumption rate when determining compliance times. This AD was prompted by reports of ruptures on HMU constant delta pressure valves that have less than 2,000 hours in service. We are issuing this AD to prevent failure of the HMU, which could lead to damage to the engine, and damage to the aircraft.

We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This proposed AD was prompted by reports of swing arm assemblies of engine fuel feed ejector pumps detaching from the outlet port of the engine fuel feed ejector pump and partially blocking the engine fuel feed line. This proposed AD would require installing a restrictor into the engine fuel feed line. We are proposing this AD to prevent blocked engine fuel flow and possible engine flameout.

The FAA is issuing this notice to advise the public of the fifth meeting of RTCA Special Committee 228Minimum Operational Performance Standards for Unmanned Aircraft Systems.

In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. The Federal Register Notice with a 60-day comment period soliciting comments on the following collection of information was published on January 31, 2014, vol. 79, no. 21, page 5512. The information enables the FAA to evaluate the validity of the user's request for National Airspace (NAS) data from FAA systems and equipment.

We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This proposed AD was prompted by reports of two in-service incidents where one side of the main landing gear (MLG) did not achieve down-lock. This proposed AD would require a detailed inspection of the apex joints of the stabilizer brace lock link in the MLG for clearance; rectifying and repairing the clearance gap, if necessary; and lubricating the apex joints of the stabilizer brace lock link in the MLG. We are proposing this AD to detect and correct insufficiently greased stabilizer brace lock linkage of the MLG and over-torqued lock linkage attachment bolts, which could lead to the failure to extend and down-lock the MLG, and could affect the safe landing of the airplane.

This action modifies RNAV route T-265 in support of the O'Hare Modernization Project (OMP)/Chicago Airspace Project (CAP). This action re-aligns T-265 slightly to the west providing appropriate lateral spacing from a new Rockford Airport Traffic Control Tower (RFD) and Chicago Terminal Radar Approach Control (C90) airspace boundary and to maintain the efficiency and safety of aircraft transitioning around the Chicago Class B airspace area.

This action proposes to amend Class E airspace at Taylor, TX. Additional controlled airspace is necessary to accommodate new Standard Instrument Approach Procedures (SIAPs) at Taylor Municipal Airport. The FAA is taking this action to enhance the safety and management of Instrument Flight Rules (IFR) operations for SIAPs at the airport. Airport coordinates would also be adjusted.

We propose to adopt a new airworthiness directive (AD) for certain Hawker Beechcraft Corporation (Type Certificate previously held by Mitsubishi; Raytheon Aircraft Company) Model MU-300 airplanes, and Hawker Beechcraft Corporation (Type Certificate previously held by Raytheon Aircraft Company; Beech Aircraft Corporation) Model 400, 400A, and 400T airplanes. This proposed AD was prompted by multiple reports of fatigue cracking in the horizontal stabilizer ribs. This proposed AD would require repetitive inspections of the horizontal stabilizer rib assemblies for cracking, and replacement if necessary. We are proposing this AD to detect and correct such cracking, which could result in the failure of the horizontal stabilizer and loss of pitch control of the airplane.

This notice contains a summary of a petition seeking relief from specified requirements of Title 14, Code of Federal Regulations (14 CFR). The purpose of this notice is to improve the public's awareness of, and participation in, this aspect of the FAA's regulatory activities. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.

Changes have been made to the AIP grant assurances to conform the list of General Federal Requirements to the correct numbering of some of the documents that recently changed, to add recent legislation, to revise Assurance 10 to conform to current statute, to clarify that Assurance 25, Airport Revenues, applies when an airport sponsor takes a grant for airport planning, and to note that Assurance 37 applies to airport concession disadvantaged business enterprises. Assurance 20 of the Non-Airport Sponsor Assurances for Non-Airport Sponsors Undertaking Noise Compatibility Program Projects is also revised to delete paragraphs which discussed land purchased for airport development. In addition, on April 24, 2013, the Secretary of Transportation signed the DOT Standard Title VI Assurances and Non-Discrimination Provisions, Order 1050.2A (Title VI Assurances). The Title VI Assurances were incorporated into the FAA Office of Civil Rights Order 1400.11, the ``Nondiscrimination in Federally-Assisted Programs at the Federal Aviation Administration Order,'' which was published on August 27, 2013. The changes to the AIP grant assurances in this Notice incorporate the Title VI Assurances.

We are superseding Airworthiness Directive (AD) 2010-23-12 for certain Airbus Model A330 and Model A340 series airplanes. AD 2010-23- 12 required inspecting to determine the part number for Thales Avionics Angle of Attack (AoA) probes, and replacing any affected probe with a serviceable probe. This new AD adds airplanes to the applicability and, for certain airplanes, requires that those affected probes be replaced. This AD was prompted by reports that the AoA sensors on certain airplanes were modified and re-identified without performing the inspection to determine the part number; therefore, the affected probes were not replaced with serviceable probes. We are issuing this AD to prevent erroneous AoA information and consequent delayed activation or non-activation of the AoA protection systems, which, in combination with flight at a high angle of attack, could result in reduced controllability of the airplane.

The Federal Aviation Administration (FAA) and the National Park Service (NPS) are inviting interested persons to apply to fill one existing opening and one upcoming opening on the National Parks Overflights Advisory Group (NPOAG) Aviation Rulemaking Committee (ARC) to represent environmental concerns. Selected members will each serve 3-year terms.

We are superseding airworthiness directive (AD) 2007-03-02 for all Rolls-Royce Deutschland (RRD) Tay 620-15, Tay 650-15, and Tay 651- 54 turbofan engines. AD 2007-03-02 required an ultrasonic inspection (UI) of low-pressure (LP) compressor fan blades for cracks on certain serial number (S/N) Tay 650-15 engines. AD 2007-03-02 also required, for all Tay 611-8, 620-15, Tay 650-15, and Tay 651-54 engines, initial and repetitive UIs of LP compressor fan blades. AD 2007-03-02 also required, for Tay 650-15 and Tay 651-54 engines, UIs of LP compressor fan blades whenever the blade set is removed from one engine and installed on a different engine. This AD requires additional inspections for the affected engines and removal of the Tay 611-8 engine from the applicability. This AD was prompted by a report of an additional engine failure due to multiple fan blade separation. We are issuing this AD to prevent failure of the LP compressor fan blade, engine failure, and damage to the airplane.

We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This AD was prompted by reports of excessive wear on the lower latch surface of the main landing gear (MLG) up-lock hook. This AD requires revising the maintenance program. We are issuing this AD to detect and correct up- lock hooks worn beyond the wear limit, which could prevent the successful extension of the MLG using the primary landing gear extension system, which in combination with an alternate extension system failure could result in the inability to extend the MLG.

A Notice of proposed rulemaking (NPRM) published in the Federal Register on March 18, 2014 amending Class E airspace at Igor I. Sikorsky Memorial Airport is being withdrawn. Upon review, the FAA found that the Bridgeport VOR has not been decommissioned, and therefore airspace reconfiguration is not required.

Pursuant to the Federal Advisory Committee Act, notice is hereby given of a meeting of the Commercial Space Transportation Advisory Committee (COMSTAC).

This action removes Class E airspace at Kwigillingock Airport, Kwigillingock, AK, due to the cancellation of the approaches. The FAA is taking this action to enhance the management of aircraft operations within the National Airspace System.

This action modifies VOR Federal airways V-35 and V-276 in the eastern United States. The FAA is taking this action due to the scheduled decommissioning of the Tyrone, PA, VORTAC facility, which provides navigation guidance for portions of the routes.