Document ID: chunk:federal_register_of_legislation:F2008L02668:body:0:p2
Version: federal_register_of_legislation:F2008L02668
Segment Type: other
Provision Reference: 
Character Range: 2886–5982

aircraft Serial Numbers 4003 through 4146 -
        a. Incorporate Bombardier ModSum 4-113530 to replace the left side primary pitot probe with a new design.  Bombardier SB 84-34-90, Revision B, dated 3 January 2007, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada provides approved instructions for incorporating ModSum 4-113530.
   Note 3:  Incorporation of Modsum 4-113530, before the effective date of this Amendment, in accordance with the initial issue or Revision A of Bombardier SB
   84-34-90 also satisfies this Requirement.
        b. Incorporate Bombardier ModSum 4-113531 to replace the right side primary pitot probe with a new design. Bombardier SB 84-34-91, Revision B, dated 10 January 2007, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada provides approved instructions for incorporating ModSum 4-113531.
   Note 4:  Incorporation of Modsum 4-113531, before the effective date of this Amendment, in accordance with the initial issue or Revision A of Bombardier SB
   84-34-91 also satisfies this Requirement.
      5. For aircraft Serial Numbers 4003 through 4154, incorporate Bombardier ModSum 4-113526 to replace the standby pitot probe with a new design.  Bombardier SB 84-34-93, Revision A, dated 23 February 2007, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada, provides approved instructions for incorporating ModSum 4-113526.
   Note 5:  Incorporation of Modsum 4-113526, before the effective date of this Amendment, in accordance with the initial issue of Bombardier SB 84-34-93 also satisfies this Requirement.
      6. For aircraft Serial Numbers 4115 through 4145, carry out a one-time inspection for the correct installation of standby pitot static system tube assemblies and perform any necessary rectification, according to the Accomplishment Instructions of the Initial Issue of Bombardier SB 84-34-99, dated 4 April 2007, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.
   Accomplishment of the Requirement 4, 5 and 6 modifications constitutes terminating action to the Requirement 1 repetitive pitot static probe drain hole cleaning and inspections.

             Note 6:  Transport Canada AD CF-2005-15R1 refers.
Compliance:  For Requirement 1 - Initially, within 30 days after 4 August 2005 (the effective date of the original issue of this Directive) and thereafter at intervals not to exceed 70 hours time in service (TIS) until Requirements 4, 5 and 6 are accomplished.
             For Requirement 2 - Initially, within 30 days after 4 August 2005 the effective date of the original issue of this directive) and thereafter at intervals not to exceed 600 hours TIS until the aircraft is modified in accordance with Requirement 3.
             For Requirement 3 - Within 6 000 hours TIS after the effective date of this Amendment.
             For Requirement 4 - Within 6 000 hours TIS after the effective date of this Amendment.
             For Requirement 5 - Within 6 000 hours TIS after the effective