Canadian Aviation Regulations (SOR/96-433)

[521.370 to 521.400 reserved]

• 521.401 (1) A person who is required to report a service difficulty shall submit to the Minister, for each reportable service difficulty, a separate service difficulty report that contains the information specified in the form published by the Minister entitled Service Difficulty Report.

• (2) A service difficulty report shall be submitted

  • (a) by electronic means, such as the Transport Canada web service difficulty reporting system; or

  • (b) by mail or courier.

• 521.402 (1) Subject to subsection (2), a person who is required to report a service difficulty shall submit a service difficulty report to the Minister within three working days after the day on which the reportable service difficulty is discovered.

• (2) If all of the information required under subsection 521.401(1) is not available within the period specified in subsection (1), an interim service difficulty report containing the following elements may be submitted to the Minister in a manner specified in subsection 521.401(2) within three working days after the day on which the reportable service difficulty is discovered:

  • (a) the aircraft registration, if applicable;

  • (b) the date of the occurrence of the reportable service difficulty;

  • (c) a description of the reportable service difficulty; and

  • (d) the name, mailing address, and telephone and fax numbers of the person submitting the report.

• (3) The person submitting the interim service difficulty report shall submit a complete service difficulty report that complies with the requirements set out in subsection 521.401(1) within 14 days after the day on which the reportable service difficulty is discovered.

521.403 A service difficulty report is not required for a reportable service difficulty that has been reported by another person or organization.

[521.404 to 521.425 reserved]

521.426 This Division applies in respect of aeronautical products for which a design approval document has been issued or accepted by the Minister.

• 521.427 (1) The Minister shall issue an airworthiness directive in respect of an aeronautical product if

  • (a) an unsafe condition exists in the aeronautical product and the condition is likely to exist or develop in other aeronautical products;

  • (b) it is necessary to modify or cancel the requirements of an airworthiness directive issued by the foreign airworthiness authority having jurisdiction over the type design of the aeronautical product because the Minister considers the airworthiness directive inappropriate for reasons related to the environment, safety, the delayed receipt of an instruction issued by the foreign airworthiness authority or reliance on foreign legislation; or

  • (c) it is necessary to modify or cancel a Canadian airworthiness directive that is in force, because a condition for issuance referred to in paragraph (a) or (b) has changed or ceased to exist.

• (2) The airworthiness directive shall

  • (a) identify the unsafe condition;

  • (b) identify the affected aeronautical products;

  • (c) specify the corrective actions required;

  • (d) specify the schedule for completion of the required corrective actions; and

  • (e) specify its effective date.

• (3) This section does not apply if the unsafe condition referred to in paragraph 521.427(1)(a) is rectified by a corrective action taken under section 521.356.