Hydraulic Disconnect
No failure report names the hydraulic disconnect. 7 FAA approvals let 2 companies make a replacement hydraulic disconnect, Parker Stratoflex holding the most (4).
Approved replacement parts 7 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a hydraulic disconnect and sell it as an approved part for the models named. These are the companies holding such approvals for a hydraulic disconnect:
For these models most: Boeing 777 (7).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Parker Hannifin CORP | Hydraulic Disconnect 591200-21 | S274T610-21 | Boeing 777-200 Series | 2002-07-28 | current |
| Parker Hannifin CORP | Hydraulic Disconnect 591200-22 | S274T610-2 | Boeing 777-200 Series | 2002-07-28 | current |
| Parker Hannifin CORP | Hydraulic Disconnect 591200-22 | S274T610-22 | Boeing 777-200 Series | 2002-06-23 | current |
| Parker Stratoflex | Hydraulic Disconnect 591200-21 | 591200-21 | Boeing 777-200 Series | 2001-10-14 | current |
| Parker Stratoflex | Hydraulic Disconnect 591200-22 | 591200-22 | Boeing 777-200 Series | 2001-10-14 | current |
| Parker Stratoflex | Hydraulic Disconnect 591200-21 | Boeing 591200-21 | Boeing 777-200 | 1997-06-19 | current |
| Parker Stratoflex | Hydraulic Disconnect 591200-22 | Boeing 591200-22 | Boeing 777-200 | 1997-06-19 | 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.