Ram Heat
No failure report names the ram heat. 3 FAA approvals let 3 companies make a replacement ram heat, Liebherr Aerospace Saline INC holding the most (1).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a ram heat and sell it as an approved part for the models named. These are the companies holding such approvals for a ram heat:
For these models most: Airbus A340 (2), Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Honeywell International INC. | Ram Heat Exchanger 1603A0000-02 | 1603A0000-02 | Airbus SAS A340-642 | 2023-03-23 | current |
| Liebherr Aerospace Saline INC | Ram Heat Exchanger 81253A010001 | 81253A010001 | The Boeing Company 747-8 Series | 2022-07-27 | current |
| Honeywell International INC | Ram Heat Exchanger 1603A0000-02 | 1603A0000-02 | Airbus A340-642 | 2003-01-21 | 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.