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Mastering Complexity – Aircraft Maintenance North America

apixxo has been invited to develop a software solution for advanced planning, scheduling and optimization in the very demanding environment of MRO.

 The data volume is as follows

  •      4‘700 staff
  •         30 planners /schedulers
  •         22 MRO lines
  •        169 cost centers
  •     2‘000 work and machine shops
  •   50‘000 active orders at any point of time
  • 900‘000 parts
  • 750‘000 operational plans

MRO - Aircraft Maintenance, Repair and Overhaul - is a though field of business because

  • Cost of aircrafts on the ground is high and need to be minimized.
  • Numerous controls, repairs and tasks have to be performed within a mandatory period for each aircraft. The knowledge of interdependencies of tasks, potential bottle necks, cycle times and costs helps optimize the chain of order tasks to be performed. Example given: A not yet due intervention might be executed now together with other tasks in order to avoid an additional time on the ground in the near future.
  • Unexpected events force an ongoing rescheduling of work.
  • Hundreds of thousands of spare parts have to be ordered, handled and traced according to the corresponding prescription in the operation plan.
  • Certified and highly qualified staff is needed at any time.
  • All relevant parameters combined together generate millions of operations planning variants (and more), among which the best must be identified and executed.

For the customer in North America, a major player in charge of MRO for airline jets, like Airbus, Boeing und Embräer, apixxo has been asked to deliver a software solution with its in-memory technology. This technology enables users to work interactively with the system through very complex planning scenarios necessitating the calculation of big real time data.

With apixxo solution, users

  • Get at any time the target and actual data – delay, costs, cycle time - for any order and for the order portfolio,
  • Have all accepted orders processed along the defined set of priorities and the resources and staff scheduled,
  • Receive immediate information on the feasibility and earnings potential of a last minute order inquiry.

In such an environment, performance, safety, stability of operations as well as traceability of all steps performed are a must.

apixxo applies Petri-Net in order to master the complex, intricate and changing order nets. This mathematical model supports stepwise processes that include choice, iteration and concurrent execution, taking into account pre- and post-conditions for each individual step.

As for the optimization, the customer asked for system automatic calculations and for ad-hoc What-if analyses. The typical focus lays on dimensions like costs respectively earnings, lead times and/or aircraft time on the ground. The user chooses between different optimization algorithms and conducts the relevant computations.

apixxo technology is predestined for complex issues in a competitive environment where sound decisions have to be made under great time pressure.

Contact us under This email address is being protected from spambots. You need JavaScript enabled to view it. if you want to experience the simplicity of complexity.