Hydraulic Switch
No failure report names the hydraulic switch. 4 FAA approvals let 3 companies make a replacement hydraulic switch, Jet Parts Engineering 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 hydraulic switch and sell it as an approved part for the models named. These are the companies holding such approvals for a hydraulic switch:
For these models most: Mcdonnell Douglas MD-11 (2), Bombardier CL-600 Challenger and CRJ (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Jet Parts Engineering INC | Hydraulic Switch ASP4603 | 1203P0107-03 | Boeing MD-11, MD-11F | 2021-02-09 | current |
| Jet Parts Engineering INC | Hydraulic Switch ASP4601 | 1203P0107-01 | Boeing MD-11, MD-11F | 2021-02-09 | current |
| Aerospace Control Prod INC | Hydraulic Switch-Propeller Brake GPP1250-15 | SAAB 9303154-001 No | Saab Aircraft AB SF-340A | 1991-12-29 | current |
| Hydra-Electric CO | Hydraulic Switch P/N 15310 | - | Canadair Models CL600-1All, CL600-2A12, CL60O-2B16 | 1988-02-23 | 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.