Lenovo Post Warranty Service Pac On-Site Repair - Extended Service Agreement - 2 Years - On-site MA Service Pac is a maintenance agreement for post-warranty machines. MA Service Pac is a simple and cost-effective way to continue maintenance services once your original warranty, Service Pac WSU or MA Service Pac maintenance agreement has expired. MA Service Pac is designed to help you optimize your IT investment. Proper care and expert maintenance can help extend the life of your IT equipment, and keep your day-to-day business operations running smoothly.