Dorsal Transition
No failure report names the dorsal transition. 2 FAA approvals let 2 companies make a replacement dorsal transition, Skandia, INC. 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 dorsal transition and sell it as an approved part for the models named. These are the companies holding such approvals for a dorsal transition:
For these models most: Cessna 560 Citation V, Ultra, Encore and Excel (2), Cessna S550 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Pm Research, INC. | Dorsal Transition Mask PM-5201 | Modification Article | Textron Aviation Inc. 560XL | 2024-11-20 | current |
| Skandia, INC. | Dorsal Transition Boot SK2237 | Modification Part | Textron Aviation Inc. 500, S550, 560 | 2017-12-18 | 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.