Airworthiness directives › 2007-26-11
AD 2007-26-11 Airworthiness Directives; Intertechnique Zodiac Aircraft Systems, Oxygen Reserve Cylinders
Applicability*9
This AD applies to Intertechnique (F5341), aluminum alloy AA5283, oxygen cylinders manufactured by Societe Metallurgique de Gerzat SAS with GLD series, GLF series, PC2300 or SLF300 part numbers, installed in any aircraft certificated in any category. These oxygen reserve cylinders are installed on but not limited to Model Airbus 300 series; Pilatus P-6; Dassault Aviation Mystere-Falcon 20, Falcon 50, Falcon 200, and Falcon 900 airplanes; and Eurocopter AS350 and Eurocopter SA315 helicopters. Reason (d) The mandatory continued airworthiness information (MCAI) states: This Airworthiness Directive (AD) is issued following information concerning the risk of high-pressure oxygen cylinder tearing with sudden emptying. These cylinders are used for missions at high altitudes or to ensure respiratory air for passengers feeling sick. It has been demonstrated that the material characteristics of the Aluminum Alloy 5283 (AA5283) from which the cylinders are manufactured deteriorate in the course of time and may possibly lead these oxygen cylinders to tear and abruptly vent aboard an aircraft.
Compliance
Unless already done, remove any affected oxygen reserve cylinder before further flight. Differences Between the FAA AD and the MCAI (f) This AD differs from the MCAI as follows: (1) The MCAI requires removal of the affected oxygen cylinders at specific time intervals; however, this AD requires removal before further flight. (2) The MCAI requires certain procedures to be used for emptying the cylinders as well as certain action for cylinders held as spares. These actions are beyond the scope of the action needed to correct this unsafe condition and are not included in this AD.
Required actions
Unless already done, remove any affected oxygen reserve cylinder before further flight. Differences Between the FAA AD and the MCAI (f) This AD differs from the MCAI as follows: (1) The MCAI requires removal of the affected oxygen cylinders at specific time intervals; however, this AD requires removal before further flight. (2) The MCAI requires certain procedures to be used for emptying the cylinders as well as certain action for cylinders held as spares. These actions are beyond the scope of the action needed to correct this unsafe condition and are not included in this AD.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1