Software maintenance and evolution are crucial aspects of software development. In today's world, observability and explainability are becoming essential requirements for software systems. This research paper investigates the relationship between software maintenance and evolution with observability and explainability. The paper explores the importance of observability and explainability in software systems and how they impact the maintenance and evolution of software systems. The research paper presents various techniques and tools for achieving observability and explainability in software systems. The paper also highlights the challenges and future research directions in the field of software maintenance and evolution in relation to observability and explainability.