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.
NE - New Equipment
NE refers to a piece of new equipment or part that has no operation time and zero working cycles on it. A resold item can also have an NE tag as long as it was never used. The manufacturing date on NE items is not considered to assign this code, and only the operation of the new part is indicated.
NS - New Surplus
NS code is for new parts that were sold from one or more sellers but still have no operation time or cycles. These are parts that might go through the channel of sales from airlines to distributors and are then given the tag of New Surplus.
RP - Repaired
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.
FN - Factory New
FN indicates the condition of a product that is brand new from the factory. For it to be FN, the product should not be more than two years old since manufacturing.
IN - Inspected
IN code is used for parts that have been inspected for basic requirements along with different checklists of maintenance inspection if stated alongside.
OH - Overhauled
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 - Serviceable
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.
