145.A.48 Performance of maintenance

SI No. 588/2023

(a) The organisation may only carry out maintenance on an aircraft or component for which it is approved when all the necessary facilities, equipment, tooling, material, maintenance data and personnel are available.

(b) The organisation must be responsible for the maintenance that is performed within the scope of its approval.

(c) The organisation must ensure that:

1. after the completion of the maintenance, a general verification is carried out to ensure that the aircraft or component is clear of all tools, equipment and any extraneous parts or material, and that all access panels that were removed have been refitted;

2. an error capturing method is implemented after the performance of any critical maintenance task;

3. the risk of errors during maintenance and the risk of errors being repeated in identical maintenance tasks are minimised;

4. damage is assessed, and modifications and repairs are carried out using the data specified in point M.A.304 of Annex I (Part-M) or point ML.A.304 of Annex Vb (Part-ML), as applicable;

5. the assessment of aircraft defects is carried out in accordance with point M.A.403(b) of Annex I (Part-M) or point ML.A.403(b) of Annex Vb (Part-ML), as applicable.