Wing Ribs
No failure report names the wing ribs. 6 FAA approvals let 3 companies make a replacement wing ribs, Dakota Cub Aircraft of Alaska holding the most (4).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a wing ribs and sell it as an approved part for the models named. These are the companies holding such approvals for a wing ribs:
For these models most: Piper PA-22 Tri-Pacer and Colt (4), Piper PA-18 Super Cub (4), Piper PA-14 (4), Piper PA-12 Super Cruiser (4), Piper PA-11 Cub Special (4), Piper J5 Cub Cruiser (4), Piper J4 Cub Coupe (4), Piper J-3 Cub (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Airframes Alaska | Wing Ribs All Part Numbers Listed In... | Mod Part | Piper J3C-40, -50, -50S | 2008-03-23 | current |
| Dakota Cub Aircraft of Alaska | Wing Ribs All Part Numbers Listed In... | modification part | Piper J3C-40, -50, -50S | 2005-03-03 | current |
| Dakota Cub Aircraft of Alaska | Wing Ribs Parts Listed On Drawing... | modification part | Piper PA-22-150, PA-22S-150, PA-22-160 | 2005-03-03 | current |
| Dakota Cub Aircraft | Wing Ribs Parts Listed on Dwg List... | Modification Part | Piper J3C-40, -50, -50S | 2002-08-28 | current |
| Dakota Cub Aircraft of Alaska | Wing Ribs All Part Numbers Listed In... | modification part | Piper J3C-40, -50, -50S | 2001-01-17 | current |
| Dakota Cub Aircraft of Alaska | Wing Ribs Parts Listed On Drawing... | modification part | Piper PA-22-150, PA-22S-150, PA-22-160 | 2001-01-17 | 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.