Rotor Ring
No failure report names the rotor ring. 3 FAA approvals let 2 companies make a replacement rotor ring, Moog Components Group holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a rotor ring and sell it as an approved part for the models named. These are the companies holding such approvals for a rotor ring:
For these models most: Sikorsky S-92 (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Moog Components Group | Rotor Ring 6442002000 | Sikorsky P/N: 92550-11802-108 | Sikorsky Aircraft... S92A | 2023-03-22 | current |
| Moog INC. | Rotor Ring 6442002000 | Sikorsky P/N 92550-11802-108 | Sikorsky Aircraft... S92A | 2018-03-01 | current |
| Moog Components Group | Rotor Ring 6442002000 | Sikorsky P/N 92550-11802-108 | Sikorsky S92A TC# R00024BO | 2009-04-08 | 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.