Federal Aviation Administration March 31, 2005 – Federal Register Recent Federal Regulation Documents
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Modification of Class E Airspace; Boonville, MO
This action amends Title 14 Code of Federal Regulations, part 71 (14 CFR 71) by revising Class E airspace at Boonville, MO. A review of the Class E airspace area extending upward from 700 feet above ground level (AGL) at Boonville, MO revealed its legal description is not in proper format and it is not in compliance with established airspace criteria. This airspace area is enlarged and modified to conform to FAA Orders. The intended effect of this rule is to provide controlled airspace of appropriate dimensions to protect aircraft departing from and executing standard instrument approach procedures (SIAPs) to Jesse Viertel Memorial Airport. This rule also amends the Jesse Viertel Memorial Airport airport reference point (ARP) in the legal description to reflect current data. The area is modified and enlarged to conform to the criteria in FAA Orders.
Flight Instructor Refresher Clinic Approvals
This notice is provided to inform the aviation community that effective immediately, the FAA's General Aviation And Commercial Division, AFS-800, will accept for approval new Flight Instructor Refresher Clinic (FIRC) training course outlines that meet the standards set forth in Advisory Circular (AC) 61-83E, Nationally Scheduled Federal Aviation Administration Approved Industry-Conducted Flight Instructor Refresher Clinics. This rescinds the Federal Register notice (FR Doc. 04-6149) issued March 11, 2004.
Airworthiness Directives; Boeing Model 777-200 and -300 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 777-200 and -300 series airplanes. This proposed AD would require replacing the battery packs of the emergency power assist system (EPAS) of the left and right non-overwing exit doors with new or modified battery packs. This proposed AD is prompted by intermittent failures of the EPAS battery pack found during testing, which are due to switch contamination, cam alignment problems, and inadequate self-test capability. We are proposing this AD to prevent failure of the EPAS, which could result in the inability to open the exit door during an emergency evacuation.
Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 series airplanes. This proposed AD would require inspecting to determine the part number of the left and right engine fire handles; and replacing the engine fire handles with engine fire handles having different part numbers if necessary. This proposed AD is prompted by cases of the internal circuit of the engine fire handle failing. We are proposing this AD to prevent failure of the internal circuit of the engine fire handle that could disable the fuel shut-off valves and the discharge of the fire extinguishing agent, which, in the event of a fire, could result in the inability to extinguish a fire.
Airworthiness Directives; Boeing Model 737-200, -300, and -400 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 737-200, -300, and -400 series airplanes. This proposed AD would require replacing the existing fueling float switch in the auxiliary fuel tank with a new, improved fueling float switch, installing a new liner system inside the float switch conduit, and performing related investigative and other specified actions. This proposed AD is prompted by reports of chafing of the direct-current- powered float switch wiring insulation in the center fuel tank. We are proposing this AD to prevent contamination of the fueling float switch of the auxiliary fuel tank by moisture or fuel, and chafing of the float switch wiring against the float switch conduit in the fuel tank, which could present an ignition source inside the fuel tank that could cause a fire or explosion.
Airworthiness Directives; Rolls-Royce (1971) Limited, Bristol Engine Division Model Viper Mk.601-22 Turbojet Engines
The FAA is superseding an existing airworthiness directive (AD) for Rolls-Royce (1971) Limited, Bristol Engine Division (RR) model Viper Mk.601-22 turbojet engines. That AD currently requires reducing the life of certain 1st stage turbine rotor blades from 7,000 hours time-in-service (TIS) to 4,600 hours TIS, and provides a drawdown schedule for blades that have already exceeded the new reduced life limit. This AD requires the same actions but changes certain compliance times to be in agreement with RR Alert Service Bulletin (ASB) No. 72- A184, dated January 2001. This AD results from comments received on AD 2004-13-03, that the AD is unnecessarily more restrictive than the requirements in the associated RR ASB No. 72-A184. We are issuing this AD to prevent multiple failures of 1st stage turbine rotor blades that could result in a dual-engine shutdown.
Airworthiness Directives; Boeing Model 757-200 and -200PF Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 757-200 and -200PF series airplanes. This AD requires repetitive inspections and audible tap tests of the upper and lower skins of the trailing edge wedges on certain slats, and related investigative and corrective actions if necessary. This AD also provides an optional terminating action for the repetitive inspections and audible tap tests. This AD is prompted by a report of damage to the No. 4 leading edge slat. We are issuing this AD to prevent delamination of the leading edge slats, possible loss of pieces of the trailing edge wedge assembly during flight, reduction of the reduced maneuver and stall margins, and consequent reduced controllability of the airplane.
Airworthiness Directives; General Electric Company CF34-8C1 Series and CF34-8C5 Series Turbofan Engines
The FAA is superseding an existing airworthiness directive (AD) for General Electric Company (GE) CF34-8C1 series and CF34-8C5 series turbofan engines, with certain serial number (SN) master variable geometry (VG) actuators installed. That AD currently requires initial and repetitive reviews of the airplane Maintenance Data Computer (MDC) for master VG actuator fault messages, and if the MDC is inoperative, reviews of the Engine Indication and Crew Alerting System (EICAS) for fault messages. That AD also requires replacing actuators reported faulty by the Full Authority Digital Engine Control (FADEC). This ad requires those same actions, and expands the applicability to additional actuators by part number (P/N) and SN. This AD also prohibits installation of affected master VG actuators onto any CF34- 8C1 and CF34-8C5 engine after the effective date of this AD. This AD results from the need to add to the list of affected parts, master VG actuators made by parts manufacturer approval (PMA). We are issuing this AD to prevent dual-channel electrical signal faults in the VG master actuator, which will cause an uncommanded reduction of thrust to idle with a subsequent loss of the ability to advance thrust above idle, and which will result in a multiengine loss of thrust if dual- channel faults occur on more than one engine simultaneously.
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