Ring Mating
No failure report names the ring mating. 5 FAA approvals let 3 companies make a replacement ring mating, Wencor LLC (Formerly Dixie Aerospace LLC) holding the most (2).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a ring mating and sell it as an approved part for the models named. These are the companies holding such approvals for a ring mating:
For these models most: Bombardier DHC-8 Dash 8 and Q400 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Jet Parts Engineering INC | Ring – Mating 305-118-305JP-0 | 305-118-305-0 | CFM International CFM56-5B1, CFM56-5B2, CFM56-5B4 | 2024-04-12 | current |
| Wencor LLC (Formerly Dixie Aerospace LLC) | Ring-Mating 4115T35P01WE | 4115T35P01 | General ElectricCompany CF34-8C1, CF34-8C5, CF34-8C5A1 | 2022-07-21 | current |
| Wencor LLC (Formerly Dixie Aerospace LLC) | Ring-Mating 4115T39P02WE | 4115T39P02 | General ElectricCompany CF34-8C1, CF34-8C5, CF34-8C5A1 | 2022-07-21 | current |
| Jet Parts Engineering INC | Ring-Mating 297033JP | Vickers 297033 | Bombardier, Inc. DHC-8-200 Series) Embraer Empresa... | 2008-12-09 | current |
| Jet Avion Corporation A Heico Aerospace Company | Ring-Mating JA305-118-305-0 | 305-118-305-0 | CFM Intl. CFM56-2, -2-C1, -2-C5 | 2007-11-06 | 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.