Butterfly Shaft
No failure report names the butterfly shaft. 5 FAA approvals let 3 companies make a replacement butterfly shaft, Aviation Component Solutions holding the most (3).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a butterfly shaft and sell it as an approved part for the models named. These are the companies holding such approvals for a butterfly shaft:
For these models most: Boeing 737 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Component Solutions | Butterfly Shaft P01362 | 3181991-2 | The Boeing Company 737-300, 737-400, 737-500 | 2026-06-12 | current |
| Aviation Component Solutions | Butterfly Shaft P00616 | 3178149-1 | The Boeing Company 737-900ER Series | 2025-05-09 | current |
| Aviation Component Solutions | Butterfly Shaft P00314 | 3171538-2 | The Boeing Company 737-900 Series, 737-900ER Series | 2024-12-02 | current |
| Turbine Kinetics INC, A Heico Aerospace Company | Butterfly Shaft 3181991-2KT | 3181991-2 | The Boeing Company 737-300 Series, 737-400 Series,... | 2024-10-08 | current |
| Jet Parts Engineering INC | Butterfly Shaft 7206330JP-3 | 7206330-3 | Boeing B737-300 Series, B737-400 Series,... | 2011-09-13 | 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.