PRESERVATION OF TECHNICAL RECORD
An owner or operator shall ensure that a system has been established to keep the following records for the periods specified: 1. All detailed maintenance records in respect of the aircraft and any life-limited component, at least 24 months after the aircraft or component was permanently withdrawn from service. 2. The total time and flight cycles as appropriate, of the aircraft and all life-limited components, at least 12 months after the aircraft or component has been permanently withdrawn from service. 3. The time and flight cycles as appropriate, since last scheduled maintenance of the component subjected to a service life limit, at least until the component scheduled maintenance has been superseded by another scheduled maintenance of equivalent work scope and detail. ...