The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Traces

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Boeing 737. FAA spelling: TRACES.

Approved modifications 3 · newest first

Boeing 737 3
2016-04-14ST04080CH · Installation of FWD LH Overhead Bin and Interior Furnishings · 737-800 Series
2014-03-03ST03306CH · Installation of Moveable Class Divider (MCD) · 737-800 Series
2014-01-17ST03298CH · Installation of a 145/165 passenger seating arrangement · 737-800 Series

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.