Seal Side
No failure report names the seal side. 3 FAA approvals let 2 companies make a replacement seal side, Seal Dynamics INC holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a seal side and sell it as an approved part for the models named. These are the companies holding such approvals for a seal side:
For these models most: Bombardier CL-600 Challenger and CRJ (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Seal Dynamics INC | Seal-Side Strut, Seal Installation, Common Nozzle 290-1221QAS-1 | Goodrich Aerostructures P/N 290-1221-1 | International Aero Engines V2525-D5, V2528-D5 | 2014-12-17 | current |
| Quest Aviation Supply INC | Seal-Side Strut, Seal Installation, Common Nozzle 290-1221QAS-1 | 290-1221-1 | International Aero Engines V2525-D5, V2528-D5 | 2013-04-15 | current |
| Seal Dynamics INC | Seal-Side SD228-50191-139 | Bombardier 228-50191-139 | Bombardier, Inc. CL-600-2B19 Series | 2004-06-29 | 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.