Ring Throttle
No failure report names the ring throttle. 2 FAA approvals let 2 companies make a replacement ring throttle, Goode Engineering CORP holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a ring throttle and sell it as an approved part for the models named. These are the companies holding such approvals for a ring throttle:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Avstar Fuel Systems INC | O Ring Throttle Shaft AV44-220 | AVStar Aircraft Accessories P/N AV44-220 | Lycoming Replacement Part where AVStar... | 2008-08-21 | current |
| Goode Engineering CORP | "O" Ring Throttle Shaft T44-220 | Facet Aerospace Marvel-Schebler (FACET) 44-220 | Franklin Engine Co. Replacement Part where Facet P/N... | 1998-04-20 | current |
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.