Xs
No failure report names the xs. 2 FAA approvals let 1 company make a replacement xs, Everpure INC holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a xs and sell it as an approved part for the models named. These are the companies holding such approvals for a xs:
For these models most: Boeing 747 (2), Boeing 737 (2), Boeing 727 (2), Boeing 707 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Everpure INC | XS1 w/U-FIL Water Filter 9390-00 DWG 9390-00 Rev.... | Boeing and Airbus P/N XS1 | Boeing 727-200, 707-320, 737-200 | 1995-06-18 | current |
| Everpure INC | XS1B w/U-FIL Water Filter 9410-00 DWG, 9410-00 Rev.... | Boeing P/N XS1B | Boeing 727-200, 737-300, -400 | 1995-06-18 | 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.