Advisory Circular: Aircraft Rescue and Fire Fighting Communications This Advisory Circular (AC) provides guidance to assist airport operators in preparing for Aircraft Rescue and Fire Fighting (ARFF) communications. This AC cancels AC 150/5210-7C, Aircraft Rescue and Fire Fighting Communications, dated July...
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Advisory Circular: Aircraft Rescue and Fire Fighting Communications This Advisory Circular (AC) provides guidance to assist airport operators in preparing for Aircraft Rescue and Fire Fighting (ARFF) communications. This AC cancels AC 150/5210-7C, Aircraft Rescue and Fire Fighting Communications, dated July 1, 1999. The prompt and efficient response of a modern ARFF service depends on the reliability of its communications and alarm systems. The material contained in this AC applies to the operation of civil airports where aeronautical activity is conducted. Certificated airport operators may use these recommendations and guidelines to satisfy some of the requirements of 14 Code of Federal Regulations (CFR), Part 139, Certification of Airports.
Airworthiness Directives; Boeing Model 747-400 Series Airplanes Final rule; request for comments. SUMMARY: The FAA is revising an existing airworthiness directive (AD) that applies to certain Boeing Model 747-400 series airplanes. That AD currently requires inspecting the support bracket of the crew oxygen cylinder installation to determine the manufacturing date marked on the support, and performing corrective action if necessary. This new AD retains all the requirements of the existing AD and expands the applicability of the existing AD to include certain airplanes that are not on the U.S. Register. This AD results from a report indicating that certain oxygen cylinder supports may not havebeen properly heat-treated. We are issuing this AD to prevent failure of the oxygen cylinder support under the most critical flight load conditions, which could cause the oxygen cylinder to come loose and leak oxygen. Leakage of oxygen could result in oxygen being unavailable for the flightcrew or could result in a fire hazard in the vicinity of the leakage.
Airworthiness Directives; Kelly Aerospace Power Systems Turbochargers Final rule; request for comments. SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain Kelly Aerospace Power Systems turbochargers. This AD requires a onetime visual inspection of suspect turbochargers for an excessive gap between the turbocharger turbine housing flange and the exhaust tube flange,and replacement of turbochargers that fail the gap inspection. This AD results from two reports of exhaust leakage occurring between the turbocharger turbine housing flange and the exhaust tube flange due to machining defects of the turbocharger turbine housing flange. We are issuing this AD to prevent hazardous amounts of carbon monoxide from entering the cabin, an increase in under-cowl temperatures hampering engine and accessory function, and loss of tailpipe retention, which could lead to an in-flight fire and loss of control of the airplane.
Airworthiness Directives; Dassault Model Falcon 2000 Airplanes Final rule. SUMMARY: This 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 describes the unsafe condition as: Wing anti ice telescopic tubes (P/N [part number] 5035-400 and 5035-500) ball joints were originally designed with high temperature polymer (KynelTM) sealing rings. Temperature induced cracking of these rings associated with long term wear has been encountered in a small number of cases. This degradation may lead to binding of the ball joint and high swiveling forces which may result in improper operation of the leading edge slats and also in failure of the ball joint mounting bracket with possible friction on the aileron control rod, which could lead, if combined with a failure of the aileron emergency actuator, to an aileron jamming. The unsafe condition is a jammed aileron, which results in reduced controllability of the airplane. We are issuing this AD to require actions to correct the unsafe condition on these products.
Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800, and -900 Series Airplanes Final rule. SUMMARY: This AD requires a one-time inspection to determine the material of the forward and aft gray water drain masts. For airplanes having composite gray water drain masts, this AD requires installation of a bonding jumper between a ground and the clamp on the tube of the forward and aft gray water composite drain masts. This AD results from a report of charred insulation blankets and burned wires around the forward gray water composite drain mast found during an inspection of the forward cargo compartment on a Model 767-300F airplane. We are issuing this AD to prevent a fire near a composite drain mast and possible disruption of the electrical power system caused by a lightning strike on a composite drain mast, which could result in the loss of several functions essential for safe flight.
Airworthiness Directives; Boeing Model 737-200C Series Airplanes Final rule. SUMMARY: This AD requires revising the FAA-approved maintenance inspection program to include inspections that will give no less than the required damage tolerance rating for each structural significant item (SSI), doing repetitive inspections to detect cracks of all SSIs, and repairing cracked structure. This AD results from a report of incidents involving fatigue cracking in transport category airplanes that are approaching or have exceeded their design service objective. We are issuing this AD to maintain the continued structural integrity of the entire fleet of Model 737-200C series airplanes.
Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800, and -900 Series Airplanes Final rule. SUMMARY: This AD requires replacing the drain tube assemblies and support clamps on the aft fairing of the engine struts. This AD results from reports of failure of the drain tube assembly and clamp on the aft fairings of an engine strut. We are issuing this AD to prevent failure of the drain tube assemblies and clamps on the aft fairings of the of the engine struts. Such a failure could allow leaked flammable fluids in the drain systems to discharge on to the heat shields of the aft fairings of the engine struts, which could result in an undetected and uncontrollable fire.
Airworthiness Directives; Alpha Aviation Design Limited (Type Certificate No. A48EU Previously Held by APEX Aircraft and AVIONS PIERRE ROBIN) Model R2160 Airplanes Final rule SUMMARY: 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: To prevent failure of the wing structure and assembly components due to undetected fatigue and corrosion. We are issuing this AD to require actions to correct the unsafe condition on these products.
Airworthiness Directives; APEX Aircraft Model CAP 10B Airplanes Final rule. SUMMARY: We are superseding an existing 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: Further to a new fracture in flight of a CAP 10B wing in June 2003, the investigation in process seems to point out that a wrong application of CAP 10B Service Bulletin No. 16 (CAP 10B-57-004) would lead to the impossibility of detecting the potential spar damage while performing the Type Certificate holder upper spar flange inspection. We are issuing this AD to require actions to correct the unsafe condition on these products.
Airworthiness Directives; McDonnell Douglas Model DC-8-31, DC-8-32, DC-8-33, DC-8-41, DC-8-42, and DC-8-43 Airplanes; Model DC-8-50 Series Airplanes; Model DC-8F-54 and DC- 8F- 55 Airplanes; Model DC-8-60 Series Airplanes; Model DC-8-60F Series Airplanes; Model DC-8-70 Series Airplanes; and Model DC-8-70F Series Airplanes Final rule. SUMMARY: This AD requires revising the FAA-approved maintenance program to incorporate new airworthiness limitations for fuel tank systems to satisfy Special Federal Aviation Regulation No. 88 requirements. This AD results from a design review of the fuel tank systems. We are issuing this AD to prevent the potential for ignition sources inside fuel tanks caused by latent failures, alterations, repairs, or maintenance actions, which, in combination with flammable fuel vapors could result in a fuel tank explosion and consequent loss of the airplane.
Airworthiness Directives; Boeing Model 747 Airplanes Final rule. SUMMARY: We are adopting a new airworthiness directive (AD) for certain Boeing Model 747 airplanes. This AD requires inspecting the trunnion fork assembly of the wing landing gears to determine the part number and serial number and to determine the category of the trunnion fork assemblies. For certain airplanes, this AD also requires, if necessary, various inspections to detect discrepancies of the trunnion fork assemblies, related investigative/corrective actions, and a terminating action. This AD results from a report of a fractured trunnion fork assembly. We are issuing this AD to prevent a fractured trunnion fork assembly, which could result in the collapse of a wing landing gear on the ground and possible damage to hydraulic equipment and the aileron and spoiler cables. Such damage could result in reduced controllability of the airplane.
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