Mid
No failure report names the mid. 3 FAA approvals let 3 companies make a replacement mid, Premair CORP holding the most (1).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a mid and sell it as an approved part for the models named. These are the companies holding such approvals for a mid:
For these models most: Enstrom Helicopter Corp 480 (1), Embraer EMB-550 Praetor 600 and Legacy 500 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Parker Hannifin CORP | Mid/IB MFS Spoiler Actuator Assembly 484300-1003 | 484300-1003 | Embraer EMB-550 | 2015-01-06 | current |
| Apical Industries, INC. DBA Dart Aerospace | MID/AFT FLOAT ASSY 20311-100 | ENSTROM P/N 20311-100 | ENSTROM 480, TH-28 | 2014-11-20 | current |
| Premair CORP | MID1498M95G02 Support, Seal | 1498M95G02 | CFM International CFM56-3, -3B, -3C | 1992-12-31 | 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.