Fixed Cowl
No failure report names the fixed cowl. 3 FAA approvals let 2 companies make a replacement fixed cowl, Nextant Aerospace LLC holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a fixed cowl and sell it as an approved part for the models named. These are the companies holding such approvals for a fixed cowl:
For these models most: Beechcraft 400 Beechjet (2), Boeing 727 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Nextant Aerospace LLC | Fixed Cowl Assembly N544000 | Modification Part | Raytheon Aircraft Company 400A | 2016-03-10 | current |
| Nextant Aerospace LLC | Fixed Cowl Assembly N544000 | Modification Part | Raytheon Aircraft Company 400A | 2014-08-12 | current |
| Aero Electronics INC | Fixed Cowl Kit B27-71-019 | Modification Part | Boeing 727-100, -200 | 1993-01-26 | 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.