Canadian Aviation Regulations

521.355 (1) When the holder of a design approval document in respect of an aeronautical product receives notice that a service difficulty report has been submitted to the Transport Canada web service difficulty reporting system in relation to the aeronautical product, the holder shall

• (a) investigate the service difficulty and, if it results from a deficiency in the aeronautical product, develop a corrective action to rectify the deficiency; and

• (b) report to the Minister the progress of the investigation and any proposed corrective action.

(2) Subject to section 521.356, if the Minister determines that a corrective action is required to rectify the deficiency, the holder of the design approval document in respect of the aeronautical product shall

• (a) submit the technical data in support of the proposed corrective action to the Minister; and

• (b) undertake any corrective action that the Minister determines is necessary to rectify the deficiency.