Oxygen Systems

<table cellspacing="0" cellpadding="0" style="width:510.3pt; margin-top:0pt; margin-bottom:0pt; border-collapse:collapse"><tbody><tr><td rowspan="15" style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Applicability:</span></p></td><td colspan="3" style="width:414.55pt; border-bottom:0.75pt solid #000000; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>0</span><span style="font-size:8pt">2 </span><span>Corporation Oxygen Mask Presentation Unit Part Numbers as follows:</span></p></td></tr><tr style="height:2.1pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>121-040-04</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-03</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>151-020</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-04</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>151-020-02</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002-01</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-05</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>151-020-04</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002-02</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-06</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-001</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002-03</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-07</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>l52-001-0l</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002-04</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-08</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-001-04</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002-05</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-12</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-001-05</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-002-08</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-005</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-001-08</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-003T</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-006</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-00l-13</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-003-04T</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-022</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-003</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>151-010</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-004</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-01</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>151-010-02</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>152-004-05</span></p></td></tr><tr style="height:1.95pt"><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>150-004-02</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span>151-010-04</span></p></td><td style="width:131.05pt; border:0.75pt solid #000000; padding-right:4.97pt; padding-left:4.97pt; vertical-align:top"><p><span></span></p></td></tr><tr><td colspan="3" style="width:414.55pt; border-top:0.75pt solid #000000; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span style="font-style:italic">Note 1:</span><span style="font-style:italic"> </span><span style="font-style:italic">Aircraft known to be fitted with the above part number </span><span style="font-style:italic">Oxygen Mask Presentation Unit</span><span style="font-style:italic">s</span><span style="font-style:italic"> </span><span style="font-style:italic">include but are not limited to, British Aerospace 125-800A; Challenger CL600-lAII, CL600</span><span style="font-style:italic">‑</span><span style="font-style:italic">2B16, and CL600-2A12; Gulfstream G-1159,</span><br><span style="font-style:italic">G</span><span style="font-style:italic">-</span><span style="font-style:italic">1159A, G-1159B, and G-IV and Falcon 20.</span></p><p><span style="font-style:italic">Note 2.</span><span style="font-style:italic"> </span><span style="font-style:italic">FAA AD 91-</span><span style="font-style:italic">10-05 Amendment 39-6989 refers.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Requirement:</span></p></td><td colspan="3" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>To prevent malfunctioning of the lanyard release pin that could prevent the flow of oxygen to a passenger in an emergency situation, </span><span>do</span><span> the following:</span></p><p style="margin-left:42.55pt; text-indent:-21.3pt"><span>(a)</span><span style="width:7.98pt; text-indent:0pt; display:inline-block"> </span><span>With the oxygen system </span><span>of the aircraft </span><span>activated, perform a test of the lanyard release pins by </span><span>doing </span><span>the following:</span></p></td></tr><tr style="height:330.85pt"><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td colspan="3" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-left:63.8pt; text-indent:-21.25pt"><span>(1)</span><span style="width:7.26pt; text-indent:0pt; display:inline-block"> </span><span>Open the passenger mask presentation units and allow the mask assemblies to drop out.</span></p><p style="margin-left:63.8pt; text-indent:-21.25pt"><span>(2)</span><span style="width:7.26pt; text-indent:0pt; display:inline-block"> </span><span>Prepare </span><span>a 3.4 </span><span>k</span><span>g (7.5 lbs) weight with an attached string and hook, (eg, spring, clip, etc).</span></p><p style="margin-left:63.8pt; text-indent:-21.25pt"><span>(3)</span><span style="width:7.26pt; text-indent:0pt; display:inline-block"> </span><span>Attach the hook to the lanyard attaching point of each </span><span>mask </span><span>actuator pin without dropping the weight and allow the weight to hang from the lanyard attaching point.</span></p><p style="margin-left:42.55pt; text-indent:-21.3pt"><span>(b)</span><span style="width:7.31pt; text-indent:0pt; display:inline-block"> </span><span>If the pin pulls free from the oxygen actuator valve at 3.4 </span><span>k</span><span>g or less hanging weight, then the pin is </span><span>serviceable </span><span>and the unit may be returned to service.</span></p><p style="margin-left:42.55pt; text-indent:-21.3pt"><span>(c)</span><span style="width:7.98pt; text-indent:0pt; display:inline-block"> </span><span>If the pin does not pull free from the oxygen actuator valve, prior to further flight </span><span>do </span><span>the following:</span></p><p style="margin-left:63.8pt; text-indent:-21.25pt"><span>(1)</span><span style="width:7.26pt; text-indent:0pt; display:inline-block"> </span><span>Replace the pin with </span><span>either </span><span>0</span><span style="font-size:8pt">2 </span><span>Corporation </span><span>part number 100-111-2 or 100-111-3, which has a 20-degree angle and a rounded nose.</span></p><p style="margin-left:63.8pt"><span style="font-style:italic">Note 3:</span><span style="font-style:italic"> </span><span style="font-style:italic">The </span><span style="font-style:italic">replacement </span><span style="font-style:italic">pin is available from Mr Burt Parry, O</span><span style="font-size:8pt">2 </span><span style="font-style:italic">Corporation, 3522 N. Comotara, Wichita, Kansas 67226</span><span style="font-style:italic"> USA</span><span style="font-style:italic">; Telephone (316) 634-1240; Facsimile (316) 634-1061.</span></p><p style="margin-left:63.8pt; text-indent:-21.25pt"><span>(2)</span><span style="width:7.26pt; text-indent:0pt; display:inline-block"> </span><span>Test the replacement pin installation in accordance with the test requirements of paragraph (a) of this AD. If the pin pulls free from the oxygen actuator valve at 3.4 </span><span>k</span><span>g or less of hanging weight, then the pin is </span><span>serviceable </span><span>and the unit may be returned to service.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Compliance:</span></p></td><td colspan="3" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Within 30 days after the commencement date of this AD, unless previously accomplished.</span></p><p><span style="font-style:italic">Note 4:</span><span style="font-style:italic"> </span><span style="font-style:italic">Previous compliance with the requirements in AD/OXY/6 constitutes compliance with the equivalent requirements in this AD.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td colspan="3" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Th</span><span>is</span><span> </span><span>AD </span><span>commences on</span><span> </span><span>10</span><span> November 2017.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Background:</span></p></td><td colspan="3" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>An</span><span> incident </span><span>occurred </span><span>where an inoperative oxygen supply system </span><span>result</span><span>ed</span><span> </span><span>because a lanyard pin could not be readily pulled. The actions specified by this AD</span><span> </span><span>are intended to prevent a malfunction that could result in an inoperative passenger</span><span> </span><span>oxygen system and possible serious physical impairment of passengers during an</span><span> </span><span>emergency </span><span>event</span><span>.</span></p><p><span>Amendment 1 of this AD is issued </span><span>to correct a part number in the second line of the applicability table of this AD.</span></p></td></tr></tbody></table>