Aileron Counterbalance
No failure report names the aileron counterbalance. 2 FAA approvals let 1 company make a replacement aileron counterbalance, Rainbow Flying Service holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a aileron counterbalance and sell it as an approved part for the models named. These are the companies holding such approvals for a aileron counterbalance:
For these models most: American Champion Aircraft 7 Citabria and Champ (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Rainbow Flying Service | Aileron Counterbalance Spade Assembly, Right AS2 | Modification Part | American Champion... 7EC, 7ECA, 7GCA | 2025-04-15 | current |
| Rainbow Flying Service | Aileron Counterbalance Spade Assembly, Left AS1 | Modification Part | American Champion... 7EC, 7ECA, 7GCA | 2025-04-15 | 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.