Bellows Actuator
No failure report names the bellows actuator. 2 FAA approvals let 1 company make a replacement bellows actuator, Senior Operations LLC 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 bellows actuator and sell it as an approved part for the models named. These are the companies holding such approvals for a bellows actuator:
For these models most: Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Senior Operations LLC | Bellows Actuator Assembly 33639-4 | 774636 (Hamilton Sundstrand) | Boeing 747-400 767-200, -300 | 2002-12-01 | current |
| Senior Operations LLC | Bellows Actuator Assembly 45359-1 | Serck Aviation Part Number 26659-5323 Issue 3 | Rolls-Royce RB211-524B-02, RB211-524B-B-02,... | 1999-09-30 | 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.