Federal Aviation Administration February 16, 2007 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; Raytheon Aircraft Company 65, 90, 99, 100, 200, and 1900 Series Airplanes, and Models 70 and 300 Airplanes
This document makes a correction to Airworthiness Directive (AD) 2004-23-02, which was published in the Federal Register on November 9, 2004 (69 FR 64842), and applies to all Raytheon Aircraft Company (Raytheon) 65, 90, 99, 100, 200, and 1900 series airplanes and Models 70 and 300 airplanes. AD 2004-23-2 requires repetitive inspections of the nose landing gear (NLG) fork for cracks with replacement if cracks are found (replacement terminates repetitive inspections). Current language in paragraph (e)(3) of AD 2004-23-02 references Part III of the Accomplishment Instructions of the service bulletin instead of Part II. This document corrects that paragraph by changing the reference from Part III to Part II.
Airworthiness Directives; Boeing Model 767 Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Boeing Model 767 airplanes. This AD requires an inspection of each main tank fuel boost pump for the presence of a pump shaft flame arrestor, and if the flame arrestor is missing, replacement of that pump with a pump having a pump shaft flame arrestor. This AD also requires repetitive measurements of the flame arrestor's position in the pump, and corrective actions if necessary. This AD also requires the replacement of the pump with a new or modified pump, which ends the repetitive measurements. This AD results from reports that certain fuel boost pumps may not have flame arrestors installed in the pump shaft and reports that the pin that holds the flame arrestor in place can break due to metal fatigue. We are issuing this AD to prevent the possible migration of a flame from a main tank fuel boost pump inlet to the vapor space of that fuel tank, and consequent ignition of fuel vapors, which could result in a fire or explosion.
Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C- 21A), 36, 36A, 55, 55B, and 55C airplanes. This AD requires modifying the left- and right-hand standby fuel pump switches. This AD also requires revising the Emergency and Abnormal Procedures sections of the airplane flight manual to advise the flightcrew of the proper procedures to follow in the event of failure of the standby fuel pump to shut off. This AD results from a report of inadvertent operation of a standby fuel pump due to an electrical system malfunction. We are issuing this AD to prevent this inadvertent operation, which could result in inadvertent fuel transfer by the left or right wing fuel system and subsequent over-limit fuel imbalance between the left and right wing fuel loads. This imbalance could affect lateral control of the airplane which could result in reduced controllability.
Airworthiness Directives; McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30, and DC-10-30F (KC-10A and KDC-10) Airplanes; Model DC-10-40 and DC-10-40F Airplanes Equipped With Pratt & Whitney JT9-20 or JT9-20J Engines; and Model MD-10-10F and MD-10-30F Airplanes
The FAA is adopting a new airworthiness directive (AD) for the McDonnell Douglas airplanes previously described. This AD requires replacing the control modules of the fire detection systems of the propulsion engines with new, improved control modules. This AD results from a report of broken or severed wiring between engine fire detectors and the fire detection system control module, which caused the fire detection system to become non-functional without flightcrew awareness. We are issuing this AD to prevent unannunciated fire in a propulsion engine, which could cause injury to flightcrew and passengers or loss of the airplane.
Airworthiness Directives; Gippsland Aeronautics Pty. Ltd. Model GA8 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 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; Boeing Model 747-400 Series Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to certain Boeing Model 747-400 series airplanes. That AD currently requires replacement of the decompression panels that are located in the smoke barrier between the passenger and main deck cargo compartment with new panels of an improved design. This new AD requires modification of the decompression panels on the smoke barrier in the main deck cargo compartment, or replacement of the smoke barrier with an improved smoke barrier, as applicable. This new AD also requires repetitive inspections of the decompression (vent) panels on the smoke barrier and corrective actions if necessary. This new AD also adds airplanes to the applicability. This AD results from reports of decompression panels on the smoke barrier opening in flight and on the ground without a decompression event. We are issuing this AD to prevent inadvertent opening or tearing of decompression panels, which could result in degraded cargo fire detection and suppression capability, smoke penetration into an occupied compartment, and an uncontrolled cargo fire, if a fire occurs in the main deck cargo compartment.
Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135BJ, -135ER, -135KE, -135KL, and -135LR Airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes
The FAA is adopting a new airworthiness directive (AD) for all EMBRAER airplanes as described previously. This AD requires inspecting to determine the part number of the left- and right-hand windshield temperature controllers. For airplanes equipped with certain windshield temperature controllers, this AD also requires replacing the attaching hardware of the power cable terminals of the windshield temperature controllers with new, improved attaching hardware; inspecting the power cable terminals for signs of melting or damage to the terminals, cable insulation, or plastic crimping ring; and performing corrective actions if necessary. This AD results from reports of smoke on the flight deck caused by damage from poor electrical contact due to loosening of the attaching hardware of the power cables of certain windshield temperature controllers. We are issuing this AD to prevent overheating of the power cable terminals of the windshield temperature controllers, which could result in smoke on the flight deck.
Airworthiness Directives; EADS SOCATA Model TBM 700 Airplanes
The FAA adopts a new airworthiness directive (AD) for certain EADS SOCATA airplanes. This AD requires you to inspect the pilot door locking stop-fittings for correct length and, if any incorrect length pilot door locking stop-fittings are found, replace them. This AD results from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for France. We are issuing this AD to detect and replace incorrect length pilot door locking stop- fittings. This condition, if not corrected, could result in depressurization of the airplane.
Airworthiness Directives; Sicma Aero Seat, Passenger Seat Assemblies
The FAA is adopting a new airworthiness directive (AD) for certain Sicma Aero Seat, passenger seat assemblies. This AD requires modifying the aft track fittings on these passenger seat assemblies by installing new tab locks, and then torquing the aft track fitting locking bolts. We are issuing this AD to prevent detachment of passenger seat assemblies, especially during emergency conditions, leading to occupant injury.
Airworthiness Directives; Short Brothers & Harland Ltd. Models SC-7 Series 2 and SC-7 Series 3 Airplanes
We are adopting a new airworthiness directive (AD) to revise AD 2003-17-05, which applies to Short Brothers & Harland (Shorts) Models SC-7 Series 2 and SC-7 Series 3 airplanes. AD 2003-17-05 currently establishes a technical service life for these airplanes and allows you to incorporate modifications, inspections, and replacements of certain life limited items to extend the life limits of these airplanes. Since we issued AD 2003-17-05, Shorts Service Bulletin SB 51-51 was revised to Revision 8, dated July 5, 2006, and the European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community, issued an AD for the European Community to correct an unsafe condition for the specified product. AD 2003-17-05 contains conflicting information on the repetitive visual inspection requirement. Consequently, this AD would retain the technical service life for these airplanes; would continue to allow modifications, inspections, and replacements of certain life limited items to extend the life limits of these airplanes; and would clarify the repetitive visual inspection requirement between one of the service bulletins and the maintenance program if an operator chooses to extend the life limit. The actions specified by this AD are intended to clarify the inspection information to prevent failure of critical structure of the aircraft caused by fatigue.
Airworthiness Directives; EADS SOCATA Model TBM 700 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 cracks found on several main landing gear cylinders. We are issuing this AD to require actions to correct the unsafe condition on these products.
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