Phase Converter
No failure report names the phase converter. 2 FAA approvals let 2 companies make a replacement phase converter, Pacific Electro Dynamics holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a phase converter and sell it as an approved part for the models named. These are the companies holding such approvals for a phase converter:
For these models most: Boeing 737 (2), Boeing 727 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| General Dynamics Electronic Systems | Phase Converter 364-1 | Modification Part | Boeing 727-100, 727-200, 737-200 | 2001-03-27 | current |
| Pacific Electro Dynamics | Phase Converter 364-1 | Boeing 364-1 | Boeing 727-100, -200, 737-200 | 1991-09-23 | 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.