Ring Two
No failure report names the ring two. 1 FAA approvals let 1 company make a replacement ring two, Precision Ring, INC. 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 two and sell it as an approved part for the models named. These are the companies holding such approvals for a ring two:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Precision Ring, INC. | Ring Assembly-Two Piece 787V303 PR | Midland Ross P/N 787V303 | Pratt Whitney Engine Models JT8D-1, -1A, -1B | 2014-02-23 | 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.