Would know fix out of service corridor? Just, about this problem you can learn from current article.
For a start sense find service center by repair corridor. This can be done using finder, eg, google, newspaper free classified ads. If price repair you want - believe question exhausted. Otherwise - then you will be forced to practice repair corridor own.
If you decided own forces practice mending, then first must grab information how repair corridor. For this purpose one may use google, or review archive binder magazines "Home workshop", "Junior technician" and etc..
Think this article least anything help you perform repair corridor. The next time I will tell how repair battery screwdriver or battery screwdriver.