Retainer Brush
No failure report names the retainer brush. 6 FAA approvals let 1 company make a replacement retainer brush, Seal Dynamics INC holding the most (6).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a retainer brush and sell it as an approved part for the models named. These are the companies holding such approvals for a retainer brush:
For these models most: Embraer ERJ 170 E170 and E175 (6).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Seal Dynamics INC | Retainer Brush 170-31480-005SD | 170-31480-005 | Embraer S.A. ERJ 170-200 SU | 2025-10-24 | current |
| Seal Dynamics INC | Retainer Brush 170-31480-006SD | 170-31480-006 | Embraer S.A. ERJ 170-200 SU | 2025-10-24 | current |
| Seal Dynamics INC | Retainer Brush 170-31474-007SD | Embraer P/N: 170-31474-007 | Yaborã Indústria... ERJ 170-100 LR, ERJ 170-100 SU, ERJ... | 2021-07-29 | current |
| Seal Dynamics INC | Retainer Brush 170-31480-005SD | Embraer P/N: 170-31480-005 | Yaborã Indústria... ERJ 170-100 LR, ERJ 170-100 SU, ERJ... | 2021-07-29 | current |
| Seal Dynamics INC | Retainer Brush 170-31474-008SD | Embraer P/N: 170-31474-008 | Yaborã Indústria... ERJ 170-100 LR, ERJ 170-100 SU, ERJ... | 2021-07-29 | current |
| Seal Dynamics INC | Retainer Brush 170-31480-006SD | Embraer P/N: 170-31480-006 | Yaborã Indústria... ERJ 170-100 LR, ERJ 170-100 SU, ERJ... | 2021-07-29 | 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.