Due to the complexities of their testing and analysis, it requires knowledgeable and trained person, and with these person and engineers, Mahaan Company has been able to set up an advanced Accessory workshop in this field and provide excellent services to the country's airlines.

By obtaining Part 145 license and obtaining C7, C8, C18 category, work on some parts has been completed.

One of the most complicated parts in this field is working on the ANTI ICING Valves of the engine and fuselage. The high technology in the manufacture of this type of parts and the high sensitivity of the part has caused Mahaan Airic company to carry out repairs on these parts.

The engine starter control valve , which is present on all aircraft with different part numbers, is one of the parts that are repaired and tested in this workshop.

Thrust reverse control, which is one of the most sensitive parts of the engine during landing and braking. Some of these parts work with air pressure and others with hydraulic pressure. Repairs are done on both models in Mahaan Airic company, except for the first one. We are the companies in this repair field inside the country.

The repair of all types of fans with different technologies is done in this workshop, such as cooling fans for the Avionic system, air supplier fan for air condtioning fan, etc.

Repairing all types of water pumps such as LAVATORY PUMP

Repair of electric and pneumatic actuators such as ROTARY ACTUAOR

Using advanced testing devices and having up-to-date technical publications and trained and professional personnel has been able to provide quality repairs to customers.