Pressure Selector
No failure report names the pressure selector. 5 FAA approvals let 2 companies make a replacement pressure selector, Hamilton Standard Commercial, Aircraft Electronics INC holding the most (4).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a pressure selector and sell it as an approved part for the models named. These are the companies holding such approvals for a pressure selector:
For these models most: Boeing 737 (3), Boeing 747 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Hamilton Standard Commercial, Aircraft Electronics INC | Pressure Selector 796883-5 | Boeing S210U160-22 | Boeing 747-400 | 1996-02-26 | current |
| Hamilton Standard Commercial, Aircraft Electronics INC | Pressure Selector Unknown | Boeing 10-62231-1 | Boeing 737-300, -400, -500 | 1994-11-07 | current |
| Hamilton Standard Commercial, Aircraft Electronics INC | Pressure Selector Unknown | Boeing 10-62231-3 | Boeing 737-300, -400, -500 | 1994-11-07 | current |
| Hamilton Standard Commercial, Aircraft Electronics INC | Pressure Selector Unknown | Boeing 10-62231-2 | Boeing 737-300, -400, -500 | 1994-11-07 | current |
| United Technologies, Hamilton Sundstrand | Pressure Selector 796883-4 | Boeing S210U160-12 | Boeing 747-400 | 1991-07-18 | 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.