Step Rib
No failure report names the step rib. 2 FAA approvals let 1 company make a replacement step rib, Balloonacy LTD LLC 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 step rib and sell it as an approved part for the models named. These are the companies holding such approvals for a step rib:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Balloonacy LTD LLC | Step Rib Reinforcement RWSW/ CW/ CWS ARP53282 | 53282 | Aerostar Intl, Inc. All series with RWSW/ CW/ CWS... | 2013-07-07 | current |
| Balloonacy LTD LLC | Step Rib Backer, RB12 ARP53061 | 53061 | Aerostar Intl, Inc. All series with RB12 gondola installed | 2013-07-07 | 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.