2.
In the case of limited Pilot owner maintenance as specified in MCAR-M.803, any person maintaining an aircraft which they own or jointly own, provided they hold a valid pilot licence with the appropriate type or class rating, may perform the limited Pilot-owner maintenance tasks in accordance with Appendix VIII of MCAR-M.
3.
The general maintenance and inspection standards applied to individual maintenance tasks should meet the recommended standards and practises of the organisation responsible for the type design which are normally published in the maintenance manuals.
In the absence of maintenance and inspection standards published by organisation responsible for the type design maintenance personnel should refer to the relevant aircraft airworthiness standards and procedures published or used as guidance by CAD/State of Design/any competent authority acceptable to CAD. The maintenance standards used should contain methods, techniques and practices acceptable to CAD for the maintenance of aircraft and its components.
4.
Independent inspections.
The manufactures instructions for continued airworthiness should be followed when determining the need for an independent inspection.
In the absence of maintenance and inspection standards published by organisation responsible for the type design, maintenance tasks that involve the assembly or any disturbance of a control system that, if errors occurred, could result in a failure, malfunction, or defect endangering the safe operation of the aircraft should be considered as flight safety sensitive maintenance tasks needing an independent inspection. A control system is an aircraft system by which the flight path, attitude, or propulsive force of the aircraft is changed, including the flight, engine and propeller controls, the related system controls and the associated operating mechanisms.
Independent inspections should be carried out by at least two persons, to ensure correct assembly, locking and sense of operation. A technical record of the inspections should contain the signatures of both persons before the relevant CRS is issued.
4.3.1 An independent inspection is an inspection first made by an authorised person signing the maintenance release who assumes full responsibility for the satisfactory completion of the work, before being subsequently inspected by a second independent competent person who attests to the satisfactory completion of the work recorded and that no deficiencies have been found.
4.3.2 The second independent competent person is not issuing a maintenance release therefore is not required to hold certification privileges. However they should be suitably qualified to carry out the inspection.
When work is being done under the control of an approved maintenance organisation the organisation should have procedures to demonstrate that the signatories have been trained and have gained experience on the specific control systems being inspected.
When work is being undertaken by an independent MCAR-M.801 (b) 2 certifying staff, the qualifications and experience of the second independent competent person should be directly assessed by the person certifying for the maintenance, taking into account the individual’s training and experience. It should not be acceptable for the certifying staff signing the release to show the person performing the independent inspection how to perform the inspection at the time the work is completed.
In summary the following maintenance tasks should primarily be considered when inspecting aircraft control systems that have been disturbed:
. installation, rigging and adjustment of flight controls.
. installation of aircraft engines, propellers and rotors.
. overhaul, calibration or rigging of components such as engines, propellers,
transmissions and gearboxes.
Consideration should also be given to:
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