Oxygen Sensor
No failure report names the oxygen sensor. 4 FAA approvals let 3 companies make a replacement oxygen sensor, Honeywell International INC. holding the most (2).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a oxygen sensor and sell it as an approved part for the models named. These are the companies holding such approvals for a oxygen sensor:
For these models most: Boeing 737 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Mission Systems Davenport INC. | Oxygen Sensor Assembly 3270108-0101 | 3522W000-001, 3522W000-002 | The Boeing Company 737-600 Series, 737-700 Series,... | 2023-06-29 | current |
| Honeywell International INC. | Oxygen Sensor 3522W000-001 | 3522W000-001 | The Boeing Company 737-700 Series | 2023-01-31 | current |
| Honeywell International INC. | Oxygen Sensor 3522W000-002 | 3522W000-002 | Boeing 737-700 Series, 737-700C Series,... | 2017-03-01 | current |
| Honeywell International INC | Oxygen Sensor 3522W000-001 | 522W000-001 | Boeing 737-700 Series | 2008-11-24 | 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.