Plug Flap
No failure report names the plug flap. 3 FAA approvals let 1 company make a replacement plug flap, Aerospace Turbine Rotables holding the most (3).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a plug flap and sell it as an approved part for the models named. These are the companies holding such approvals for a plug flap:
For these models most: Beechcraft C90 King Air C90 (3), Beechcraft B300 King Air 350 (2), Beechcraft B200 King Air B200 (2), Beechcraft B100 (2), Beechcraft A200 (2), Beechcraft A100 (2), Beechcraft 65 (1), Beechcraft 300 King Air 300 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aerospace Turbine Rotables | Plug – Flap Actuator Piston AE-521196-1 | 50-521196-1 | Textron Aviation Inc. (U-8G), 65-A90-1 (JU-21A) (U-21A)... | 2025-08-27 | current |
| Aerospace Turbine Rotables | Plug – Flap Actuator Piston AE-521149-1 | 50-521149-1 | Textron Aviation Inc. C90A, B200, B200CT | 2025-08-27 | current |
| Aerospace Turbine Rotables | Plug – Flap Actuator Piston AE-521149 | 50-521149 | Textron Aviation Inc. 50 (L-23A), E50 (L-23D, RL-23D) | 2025-08-27 | 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.