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Glossary · Maintenance, repair and overhaul (MRO) and supply chain

USM

Also: used serviceable material

Certified second-hand parts, often from retired aircraft.

In the news

Werner Aero Acquires Embraer E190 Assets to Expand Regional Jet Spare Parts Inventory
Gameco Establishes New Supply Chain Channel for Recycled Aircraft Parts
China Adopts Global Standards for Aircraft Recycling

Related terms

MRO
Line maintenance
Base maintenance
A-check
C-check

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