Cartridge Filter
No failure report names the cartridge filter. 13 FAA approvals let 7 companies make a replacement cartridge filter, Wencor LLC holding the most (4).
Approved replacement parts 13 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a cartridge filter and sell it as an approved part for the models named. These are the companies holding such approvals for a cartridge filter:
For these models most: Boeing 767 (5), Boeing 757 (5), Boeing 747 (5), Boeing 737 (5), Boeing 727 (5), Boeing 777 (4), Mcdonnell Douglas DC-9 (3), Douglas DC-9 (3), Airbus A300 (3), Airbus A321 (2), Airbus A320 (2), Airbus A319 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Hemico INC. | Cartridge-Filter HEM6987-00 | FC6987-00 | Airbus SAS A350-941, A350-1041 | 2026-08-19 | current |
| Lanair Research and Development INC | Cartridge Filter QA06423-01LA | QA06423-01 | Airbus SAS A318 Model-111, A318 Model-112, A318... | 2025-04-11 | current |
| Wencor LLC | Cartridge Filter Element 137847-1WE | 137847-1 | The Boeing Company 777-300ER | 2021-07-20 | current |
| Wencor, LLC | Cartridge Filter Element 137847-1WE | 137847-1 | Saab AB 340A (SAAB/SF340A), SAAB 340B | 2021-07-08 | current |
| Wencor, LLC | Cartridge Filter Element 137847-1WE | 137847-1 | The Boeing Company 727 Series, 727-100 Series, 727C Series | 2021-07-08 | current |
| Wencor LLC | Cartridge-Filter 715942-1WE | 715942-1 | Boeing 727-100 series & 727-200... | 2020-10-15 | current |
| Aviation Component Solutions | Cartridge-Filter, Water P01413 | General Ecology 778000 | Airbus A318 Model -111, A318 Model -112,... | 2019-12-22 | current |
| Global Filtration, INC. | Cartridge Filter Element 137847-1GF | Honeywell 137847-1 | The Boeing Company 727 series, 727C series, 727-100 series | 2017-10-25 | current |
| Wencor LLC | Cartridge-Filter 715942-1WE | 715942-1 | Boeing 727-100 series & 727-200 series,... | 2015-09-29 | current |
| Keddeg Company | Cartridge Filter Assembly 21FA101 | Modification Part | Airbus Industrie A300B4-600 Series, A310-200 Series,... | 2010-05-26 | current |
| Wencor LLC | Cartridge-Filter Element 137847-1WE | 137847-1 | Boeing 727 series, 727C series, 727-100 series | 2010-02-02 | current |
| Keddeg Company | Cartridge Filter Assembly 21FA101 | Modification Part | Airbus A300 Model B4-600 Series, A310 Model... | 2002-06-12 | current |
| Keddeg Company | Cartridge Filter Assembly 21FA101 | Modification Part | Airbus A300, Model B4-600 Series, A310 | 1997-01-30 | 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.