Cylinder Torque
No failure report names the cylinder torque. 4 FAA approvals let 3 companies make a replacement cylinder torque, Ronson Hydraulics 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 cylinder torque and sell it as an approved part for the models named. These are the companies holding such approvals for a cylinder torque:
For these models most: Boeing 727 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Tactair Fluid Controls INC | Cylinder Assembly Torque Tube and all Bill Of Material Items 54C54672D01 | 54C54672D01 | Boeing 727-100, 727-200 | 2002-09-16 | current |
| Kaiser Fluid Technologies | Cylinder Assembly Torque Tube 54C54672D01 | Modification Part | Boeing 727-100 and 727-200 | 1995-01-12 | current |
| Ronson Hydraulics | Cylinder Assembly Torque Tube 54C54672 | Modification Part | Boeing 727-100, -200 | 1993-02-08 | current |
| Ronson Hydraulics | Cylinder Assembly Torque Tube 54C54672D01 | Modification Part | Boeing 727-100, -200 | 1993-02-08 | 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.