Two
No failure report names the two. 1 FAA approvals let 1 company make a replacement two, Custom Aircraft Conversions INC holding the most (1).
Approved replacement parts 1 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a two and sell it as an approved part for the models named. These are the companies holding such approvals for a two:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Custom Aircraft Conversions INC | Two - Place Side Facing Seat, Frame Only & Side Facing Only Unknown | Unknown | Israel 1121 | 1992-06-29 | 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.