# Backshop > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Backshop > Markdown URL: https://mediated.wiki/source/Backshop.md > Source: https://en.wikipedia.org/wiki/Backshop > Source revision: 1291814293 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) {{refimprove|date=June 2020}} A '''backshop''' or '''back-shop'''{{Cite web|title=Definition of BACK SHOP|url=https://www.merriam-webster.com/dictionary/back+shop|access-date=2020-06-07|website=www.merriam-webster.com|language=en}} is a specialized store or [workshop](/source/workshop) found in service industries, such as [locomotive](/source/locomotive) and [aircraft repair](/source/Aircraft_maintenance). Most [repairs](/source/repairs) are carried out in small workshops, except where an industrial service is needed. In the military, backshops repair parts are known as [shop-replaceable unit](/source/shop-replaceable_unit)s (SRUs). These are commonly-stocked subassemblies of a larger system, such as circuit cards components of a [line-replaceable unit](/source/line-replaceable_unit) (LRU), designed to be repaired at the field level. Repair at this level is known as field-level maintenance or [intermediate-level (I-level) maintenance](/source/Level_of_repair_analysis). [Calibration](/source/Calibration) and repair of [United States Air Force](/source/United_States_Air_Force) [test equipment](/source/Electronic_test_equipment) is conducted at shops known as [precision measurement equipment laboratories](/source/Precision_measurement_equipment_laboratory). == See also == * [Armory (military)](/source/Armory_(military)) * [Back office](/source/Back_office) * [Railway workshop](/source/Railway_workshop) ==References== {{Reflist}} Category:Military aviation Category:Military maintenance Category:Workshops Category:Maintenance {{technology-stub}} {{mil-stub}} --- Adapted from the Wikipedia article [Backshop](https://en.wikipedia.org/wiki/Backshop) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Backshop?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.