Powerstat
No failure report names the powerstat. 3 FAA approvals let 2 companies make a replacement powerstat, Oeco 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 powerstat and sell it as an approved part for the models named. These are the companies holding such approvals for a powerstat:
For these models most: Boeing 747 (3), Boeing 737 (2), Boeing 727 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Pacific Scientific, Oeco | Powerstat 16419 | 16419 | The Boeing Company 737-200, 727-200, 747-100 | 2011-04-19 | current |
| Oeco LLC | Powerstat 16419 | Boeing 16419 | Boeing 737-200, 727-200, 747-100 | 1999-08-03 | current |
| Oeco LLC | Powerstat 26411 | Boeing 26411 | Boeing 747-100 | 1999-08-03 | 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.