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AD/CL-600/83 Amdt 1 - Wing Anti-Ice Ducts
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AD/CL-600/83 Amdt 1 - Wing Anti-Ice Ducts
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| AD/CL-600/83 Amdt 1 | Wing Anti-Ice Ducts | 1/2009 DM |
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| Applicability: | Model CL-600-2B19, serial numbers 7003 through 7067, 7069 through 7990, 8000 through 8076, 8082, 8086, 8090 though 8092, 8096 and 8097. |
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| Requirement: | Action in accordance with the requirements of Transport Canada AD CF-2008-30. |
| Compliance: | For Part I of the Requirement document: Unless already accomplished, within 14 days after 14 November 2008.For Part II of the Requirement document: No later than 31 December 2008.For Part III of the Requirement document: No later than 31 December 2008.For Part IV of the Requirement document: As specified.For Parts V and VI of the Requirement document: As specified, with a revised effective date of 14 November 2008. |
| This Amendment becomes effective on 14 November 2008. | |
| Background: | Transport Canada received several reports of failed wing anti-ice ducts (piccolo tubes) located in the wing leading edge. Such cracking could result in air leakage, with a possible adverse effect on the anti-ice air distribution pattern and anti-ice capability, without annunciation to the flight crew.Subsequent to the issue of Transport Canada AD CF-2005-26R1, it has been determined that faulty ducts may have been installed in a number of leading edge assemblies built as spares and whose current locations are not specifically known. As they may have been installed on any of the aircraft serial numbers in the Applicability section of superseding Transport Canada AD CF-2008-30, checking of records and/or inspection as specified in the AD, is now required for all applicable aircraft. |
| Amendment 1 is issued in response to Transport Canada AD CF-2008-30, which requires the amendment of the Aircraft Flight Manual procedures; in addition to checking the part numbers and serial numbers of installed and spare wing anti-ice piccolo ducts, as required, and inspecting, replacing or repairing them as necessary. Terminating action is also introduced. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
12 November 2008