Document ID: chunk:federal_register_of_legislation:F2007L00865:body:0:p1
Version: federal_register_of_legislation:F2007L00865
Segment Type: other
Provision Reference: 
Character Range: 0–6627

AIRWORTHINESS DIRECTIVE
On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/OXY/20 Amdt 1 and issues the following AD under subregulation 39.001(1) of CASR 1998.  The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Oxygen Systems
AD/OXY/20 Amdt 2  Oxygen Cylinders  5/2007 DM

Applicability:  Intertechnique , Zodiac Aircraft Systems, oxygen reserve cylinders having part number (P/N) GLF(XXX)-(X), GLD(XXX)-(X), PC2300 and SLF300, which are known to be installed on, but not limited to the following aircraft:
                     Airbus                                                                                                                                                                                                                                                                                                                                                                          A300 series
                    Dassault Aviation                                                                                                                                                                                                                                                                                                                                                                Mystère-Falcon 20
                                                                                                                                                                                                                                                                                                                                                                                                     Mystère-Falcon 50
                                                                                                                                                                                                                                                                                                                                                                                                     Falcon 200
                                                                                                                                                                                                                                                                                                                                                                                                     Falcon 900
                    Pilatus                                                                                                                                                                                                                                                                                                                                                                          all models
                    Eurocopter                                                                                                                                                                                                                                                                                                                                                                       SA 315 B
                                                                                                                                                                                                                                                                                                                                                                                                     AS 350 B3
                    Hindustan Aeronautics Ltd                                                                                                                                                                                                                                                                                                                                                        all models
Requirement:       1. Unless previously accomplished in accordance with AD/ECUREUIL/121, AD/SA 315/1, AD/OXY/20 or AD/OXY/20 Amdt 1:
                     a. Identify the year of manufacture of each affected P/N oxygen reserve cylinders made of Aluminium Alloy 5283 (AA5283) fitted to aircraft.
                     b. Remove and empty the oxygen cylinder/s from the aircraft in accordance with Intertechnique Service Bulletin (SB) GLD/GLF-35-150 dated 20 September 2006.
                   2. For oxygen reserve cylinders held as spares, unless previously accomplished in accordance with AD/ECUREUIL/121, AD/SA 315/1, AD/OXY/20 or AD/OXY/20 Amdt 1, identify the year of manufacture of each affected P/N oxygen reserve cylinder made of AA5283 and empty all oxygen reserve cylinders that have reached or exceeded 25 years after manufacture, in accordance with
                   SB GLD/GLF-35-150.
                   3. Oxygen reserve cylinders with P/Ns as affected by this Amendment may not be installed in any aircraft as replacement part, except within the time in service (TIS) or time since manufacture limits as specified in this Amendment.
                Note 1:  EASA AD 2006-0286R1 refers.

Compliance:  For Requirement 1.a - Before the next flight after the effective date of this Amendment.

             For Requirement 1.b. -

                Aircraft operated in salt-laden atmospheric conditions - Upon accumulating 15 years TIS (since manufacture and installation on aircraft), or within 15 days after the effective date of this Amendment if 15 years TIS has already been reached.

             or

                Aircraft operated in normal climatic conditions - Upon accumulating 25 years TIS (since manufacture and installation on helicopters), or within 12 months after the effective date of this Amendment if 25 years TIS has already been reached.

             or

                If the TIS cannot positively be established, within 15 days