Document ID: chunk:federal_register_of_legislation:F2006B02918:body:0:p2
Version: federal_register_of_legislation:F2006B02918
Segment Type: other
Provision Reference: 
Character Range: 2892–4078

Boeing S/B 737-38A1038, Revision 2, dated September 25, 1997 or earlier revisions.

5.         Do not install any pressure relief valve having P/N 520A6DB50, 520A6DB60, or D524TP6D60 on any aeroplane.

            Note: FAA AD 2003-26-08 Amdt 39-13405 refers.

            Compliance: For Requirements 1 through 4: Unless previously accomplished, within 18 months after the effective date of this Directive.

            For Requirement 5: From the effective date of this Directive.

            This Airworthiness Directive becomes effective on 15 April 2004.

            Background: The pressure relief valve fitted to the potable water tank can malfunction due to corrosion and maintenance actions. As a result, rupture of the potable water tank during flight that could result in structural damage to the aeroplane and its inability to sustain flight loads.

            This Directive requires the replacement of the relief valve with an improved design that is corrosion resistant and cannot be adjusted.

 James Coyne
 Delegate of the Civil Aviation Safety Authority 4 March 2004

 The above AD is notified in the Commonwealth of Australia Gazette on 24 March 2004.