Support And
No failure report names the support and. 3 FAA approvals let 2 companies make a replacement support and, Optimum Engineering & Manufacturing 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 support and and sell it as an approved part for the models named. These are the companies holding such approvals for a support and:
For these models most: Mcdonnell Douglas DC-9 (3), Mcdonnell Douglas Aircraft Co MD-88 (2), Douglas DC-9 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Wencor LLC | Support and Spring Assembly 3168988-9WA | 3168988-9 | Boeing DC-9-11, DC-9-12, DC-9-13 | 2017-11-19 | current |
| Optimum Engineering & Manufacturing INC | Support and Spring Assembly 3168988-9WA | 3168988-9 | McDonnell Douglas DC-9-11, -14, -15 | 2005-05-03 | current |
| Optimum Engineering & Manufacturing INC | Support and Spring Assembly 3168988-9WA | 3168988-9 | McDonnell Douglas DC-9-11, -14, -15 | 2004-12-19 | 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.