The U.S. aircraft register, updated daily
Parts

Ring Damper

No failure report names the ring damper. 1 FAA approvals let 1 company make a replacement ring damper, Aircraft Component Design LLC holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a ring damper and sell it as an approved part for the models named. These are the companies holding such approvals for a ring damper:

MakerPartReplacesFitsGrantedStatus
Aircraft Component Design LLCRing-No 4Damper Piston 3033T61P02ACD3033T61P02General Electric Company CT7-5A2, CT7-5A3, CT7-7A2026-06-23current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.