Maintainability of public transport

Write one paragraph for 2.3 the maintainability part. Make it similar in terms of writing to the reliability part.

Write about how the public transport system has to and how to be maintainability.

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definitions:

Maintainability
Maintenance
– Series of actions to be taken to restore or retain the a system in an effective operational state
Maintainability
– The ability of a system to be maintained
Formal definition The measure of the ability of an item to be retained in or restored to specific conditions when maintenance is performed by personnel having specified skill levels, using prescribed procedures and resources at each prescribed level of maintenance and repair.