The U.S. aircraft register, updated daily
Parts

Cup Idle

No failure report names the cup idle. 3 FAA approvals let 3 companies make a replacement cup idle, Goode Engineering CORP holding the most (1).

Approved replacement parts 3 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Avstar Fuel Systems INCCup-Idle Adj. Needle AV55-270AVStar Aircraft Accessories P/N AV55-270Lycoming Replacement Part where AVStar...2008-08-21current
Goode Engineering CORPCup-Idle Adj Needle T55-270Facet Aerospace Marvel-Schebler (FACET) 55-270Franklin Engine Co. Replacement Part where Facet P/N 55-...1998-04-20current
Brg Aero Parts INCCup-Idle Adj Needle T55-270Marvel-Schebler (Facet) 55-270Franklin Engine Co. Lycoming, Continental, and Franklin engines1994-01-02current

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.