Federal Aviation Administration February 14, 2007 – Federal Register Recent Federal Regulation Documents
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Petitions for Exemption; Summary of Petitions Received
Pursuant to FAA's rulemaking provisions governing the application, processing, and disposition of petitions for exemption under part 11 of Title 14, Code of Federal Regulations (14 CFR), this notice contains a summary of certain petitions seeking relief from specified requirements of 14 CFR. The purpose of this notice is to improve the public's awareness of, and participation in, this aspect of 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 any petition or its final disposition.
Production and Airworthiness Approvals, Parts Marking, and Miscellaneous Proposals
This notice announces the availability of and requests comments on the Initial Regulatory Flexibility Analysis (IRFA) associated with the notice of proposed rulemaking entitled, Production and Airworthiness Approvals, Parts Marking, and Miscellaneous Proposals.
Airworthiness Directives; McDonnell Douglas Model 717-200 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain McDonnell Douglas Model 717-200 airplanes. This proposed AD would require installing a certain junction(s) and changing the wiring of the first officer's pitot static heater system. This proposed AD results from a report of temporary loss of the auto-flight function with displays of suspect or erratic airspeed indications. We are proposing this AD to prevent display of suspect or erratic airspeed indications during heavy rain conditions, which could reduce the ability of the flightcrew to maintain the safe flight and landing of the airplane.
Airworthiness Directives; McDonnell Douglas Model MD-10-10F and MD-10-30F Airplanes, Model MD-11 and MD-11F Airplanes, and Model 717-200 Airplanes
The FAA proposes to supersede an existing airworthiness directive (AD) that applies to all McDonnell Douglas Model MD-10-10F and MD-10-30F airplanes, Model MD-11 and MD-11F airplanes, and Model 717-200 airplanes. The existing AD currently requires a revision to the Limitations section of the airplane flight manual (AFM) to prohibit use of the flight management system (FMS) profile (PROF) mode for descent and/or approach operations unless certain conditions are met. This proposed AD would require, for Model 717-200 airplanes, upgrading the versatile integrated avionics (VIA) digital computer with new system software, which would end the need for the AFM revision. This proposed AD results from a report of two violations of the selected flight control panel (FCP) altitude during FMS PROF descents. We are proposing this AD to prevent, under certain conditions during the FMS PROF descent, the uncommanded descent of an airplane below the selected level-off altitude, which could result in an unacceptable reduction in the separation between the airplane and nearby air traffic or terrain.
Airworthiness Directives; Boeing Model 767 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 767 airplanes. This proposed AD would require modifying the link arms of the number 2 windows in the flight compartment. This proposed AD results from reports of the number 2 windows opening during takeoff roll, which has resulted in aborted takeoffs. We are proposing this AD to prevent the opening of the number 2 windows during takeoff roll, which could result in an aborted takeoff or an unscheduled landing, and adversely affect the flightcrew's ability to perform critical takeoff communication.
Airworthiness Directives; Airbus Model A300 Airplanes; and Model A300 B4-600, B4-600R, and F4-600R Series Airplanes, and Model A300 C4-605R Variant F Airplanes (Collectively Called A300-600 Series Airplanes)
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Model A300 airplanes and Model A300-600 series airplanes. This proposed AD would require inspecting to determine the part number of the sliding rods of the main landing gear (MLG) retraction actuators. For MLG retraction actuators equipped with sliding rods having certain part numbers, this proposed AD would also require inspecting for discrepancies, including but not limited to cracking, of the sliding rod; and performing corrective actions if necessary. This proposed AD results from a report of a failure of a sliding rod of the MLG retraction actuator before the actuator reached the life limit established by the manufacturer. We are proposing this AD to prevent failure of the sliding rod of the MLG retraction actuator, which could result in reduced structural integrity of the MLG.
Airworthiness Directives; LATINOAMERICANA DE AVIACIÓN (LAVIA) S.A. (Type Certificate Data Sheets No. 2A8 and No. 2A10 Previously Held by The New Piper Aircraft, Inc.) Models PA-25, PA-25-235, and PA-25-260 Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI references Latinoamericana de Aviaci[oacute]n S.A. Service Bulletin No. 25/53/03, dated May 10, 2006, which describes the unsafe condition as:
Airworthiness Directives; Turbomeca S.A. Arrius 2F Turboshaft Engines
The FAA is revising an existing airworthiness directive (AD) for Turbomeca S.A. Arrius 2F turboshaft engines. That AD currently requires replacing certain O-rings on the check valve piston in the lubrication unit, at repetitive intervals. This AD requires the same actions except it reduces the applicability from all Turbomeca S.A. Arrius 2F turboshaft engines, to Turbomeca S.A. Arrius 2F turboshaft engines that have not incorporated modification Tf75. This AD results from Turbomeca S.A. introducing a check valve piston design requiring no O-ring. We are issuing this AD to prevent an uncommanded in-flight shutdown of the engine, which could result in a forced autorotation landing and damage to the helicopter.
Airworthiness Directives; McDonnell Douglas Model DC-8-62, DC-8-63, DC-8-62F, and DC-8-63F Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model DC-8-62, DC-8-63, DC-8-62F, and DC-8- 63F airplanes. This AD requires revising the wiring for the engine thrust brake circuit and indicating circuit and other specified actions, or rerouting the wiring at plug P1-1762A on the electrical power center generator control panel, as necessary. This AD results from the determination that the thrust reverser systems on these airplanes do not adequately preclude inadvertent deployment of the thrust reversers. We are issuing this AD to prevent inadvertent deployment of the thrust reversers during takeoff or landing, which could result in loss of control of the airplane.
Airworthiness Directives; BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ airplanes. This AD requires repetitive inspections of the wing top skin under the rib 0 joint strap, and related investigative and corrective actions if necessary. This AD results from a report of a significant crack in the wing top skin under the rib 0 joint strap. We are issuing this AD to detect and correct corrosion and cracking in that area, which could result in reduced structural integrity of the wing.
Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 Airplanes and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to all EMBRAER Model EMB-135 airplanes and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes. That AD currently requires repetitive inspections of the pitot static heating relay K0057 and corrective actions if necessary. That AD also requires doing a terminating modification, which ends the repetitive inspections. This new AD removes the existing repetitive inspections and instead requires a one-time detailed inspection for damage of the relay, relay socket, and silicone gasket; applicable corrective actions; and a new action to modify and re-identify the relay socket. This AD also revises the existing terminating modificationreplacing/ rerouting the windowsill drain hosesinto two parts, each with a different, reduced compliance time. This AD results from a report of smoke in the cockpit. We are issuing this AD to prevent ignition of a windowsill drain hose by an overheated relay, which could cause fire and smoke in the cockpit.
Airworthiness Directives; Airbus Model A300 Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to certain Airbus Model A300 B2 and B4 series airplanes. That AD currently requires modifying the wiring of the autopilot pitch torque limiter switch. This new AD adds repetitive operational tests of the autopilot disconnection upon pitch override, and related investigative/corrective actions if necessary. This AD results from the determination that such operational tests are necessary following the modification. We are issuing this AD to prevent possible trim loss when the flightcrew tries to override the autopilot pitch control, which could result in uncontrolled flight of the airplane.
Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier Model DHC-8-400 series airplanes. This AD requires inspecting to determine the manufacturer's date of certain V-band clamps on the engine exhaust shroud assembly, and doing related investigative/corrective actions if necessary. This AD results from a report of a discrepancy found during a maintenance inspection on a V- band clamp located on the engine exhaust duct shroud. The clamp ends were touching (although the correct fastener torque had been applied), resulting in reduced clamp force on the flanges. We are issuing this AD to prevent vibration in the duct shroud and fretting of the V-band clamp and flanges, which could result in cracking of the flanges and consequent release of hot exhaust gases from the engine tailpipe and damage to adjacent structure. This situation could trigger the fire warning system and result in an in-flight emergency, such as the flightcrew shutting down the engine and activating the fire suppression system.
Airworthiness Directives; CTRM Aviation Sdn. Bhd. (Formerly Eagle Aircraft (Malaysia) Sdn. Bhd.) Model Eagle 150B Airplanes
The FAA is adopting a new airworthiness directive (AD) to supersede AD 2004-11-04, which applies to all CTRM Aviation Sdn. Bhd. (Formerly Eagle Aircraft (Malaysia) Sdn. Bhd.) Model Eagle 150B airplanes. AD 2004-11-04 currently requires you to inspect certain canard inboard flap hinge support brackets (initially before further flight and repetitively before the first flight of each day) and perform any necessary follow-up action. This AD results from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Malaysia to require the installation of improved design inboard flap hinge brackets as terminating action for the repetitive inspections. Consequently, this AD retains the requirement that you inspect certain canard inboard flap hinge support brackets (initially before further flight and repetitively before the first flight of each day) and then requires that you replace the parts with new design inboard flap hinge brackets as terminating action for the repetitive inspections or if cracks are found. We are issuing this AD to detect and correct cracks in the canard inboard flap hinge support brackets, which could result in loss of retention of controls and consequently, loss of airplane control.
Airworthiness Directives; Pacific Aerospace Corporation Ltd Model 750XL Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This 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 possible installation of undersize rivets in the fuselage roof at STN 180.85, BL 19.67, WL 86.2. We are issuing this AD to require actions to correct the unsafe condition on these products.
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