JT8D-17 (OR SIMILAR)

AR refers to parts or units that were removed from an aircraft and are now listed for sale. These could state a reason or occasionally be unrepairable after the product’s life.

IN code is used for parts that have been inspected for basic requirements along with different checklists of maintenance inspection if stated alongside.

RP refers to a product that has been repaired and might need some more work for optimum functionality. These parts are commonly used for functional tests compliance to use repaired parts and bring the unit to a serviceable stage.

MD code is used to define the condition of a product or unit that has been modified or altered in minor or major ways. In some cases, the details of the modification might be stated.

NR is also used for non-repairable items or units. While these could be sold in perfect working condition, NR goods are not repairable after any malfunctions are detected. In some cases, these might be AR products as well.

OH condition refers to the possible overhauling of the product or equipment. This could involve completely or partially disassembling the product and restoring it to an optimum/maximum level of functionality.

SV indicated a serviceable part. This means that the part is repaired and passed the functional tests. The exact specifications of the condition might also be stated at times.