Pro Hub
No failure report names the pro hub. 4 FAA approvals let 1 company make a replacement pro hub, Approach Fast Stack holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a pro hub and sell it as an approved part for the models named. These are the companies holding such approvals for a pro hub:
For these models most: American Champion Aircraft 8 Decathlon and Scout (4), American Champion Aircraft 7 Citabria and Champ (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Approach Fast Stack | Pro-X Hub 7040-0001 | 7040-0001 | American Champion 7ECA, 7GCAA, 7GCBC | 2010-08-26 | current |
| Approach Fast Stack | Pro-X Hub 7040-0001 | 7040-0001 | American Champion 7ECA, 7GCAA, 7GCBC | 2010-08-26 | current |
| Approach Fast Stack | Pro-G Hub 7040-0001 | 7040-0001 | American Champion 7ECA, 7GCAA, 7GCBC | 2010-08-22 | current |
| Approach Fast Stack | Pro-G Hub 7030-0001 | 7030-0001 | American Champion 7ECA, 7GCAA, 7KCAB | 2010-03-04 | 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.