Heater Tray
No failure report names the heater tray. 3 FAA approvals let 2 companies make a replacement heater tray, Midwest Aircraft Prod CO 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 heater tray and sell it as an approved part for the models named. These are the companies holding such approvals for a heater tray:
For these models most: Boeing 737 (3), Saab-Fairchild 340 (2), Aerospatiale/Aeritalia ATR 42 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Midwest Aircraft Prod CO | Heater Tray B3458-20 | Mansfield C6656 | Aerospatiale ATR 42 Series, 737, 340B | 2004-07-13 | current |
| Midwest Aircraft Products Company | Heater Tray B3458-20 | BE Aerospace/ Mansfield P/N B6656 | Boeing 737) SAAB Aircraft AB... | 2004-07-13 | current |
| Midwest Aircraft Prod CO | Heater Tray B3458-20 | Mansfield C6656 | Aerospatiale ATR42 Series, 737, 340B | 1994-02-22 | 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.