Canadian Aviation Regulations (SOR/96-433)

901.198 If a person receives a service difficulty report in respect of a model of remotely piloted aircraft system for which they have made a declaration referred to in section 901.194 and for which an acceptance letter has been issued under section 901.196, that person shall investigate the service difficulty and, if it results from a deficiency in the model that causes the system to no longer meet the technical requirements specified under subparagraph 901.194(2)(a)(iv), develop a mandatory action to rectify the deficiency.