Double Pole
No failure report names the double pole. 1 FAA approvals let 1 company make a replacement double pole, Haydon Kerk Motion Solutions holding the most (1).
Approved replacement parts 1 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a double pole and sell it as an approved part for the models named. These are the companies holding such approvals for a double pole:
For these models most: Boeing 777 (1), Boeing 767 (1), Boeing 757 (1), Boeing 747 (1), Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Haydon Kerk Motion Solutions | Double Pole Roller Leaf, Actuator Switch 63746-1 | 63746-1 | Boeing 737 600 Series, 700 Series, 700C Series | 2015-11-30 | 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.