Eccentric Bushing
No failure report names the eccentric bushing. 4 FAA approvals let 3 companies make a replacement eccentric bushing, Gemini Engineering holding the most (2).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a eccentric bushing and sell it as an approved part for the models named. These are the companies holding such approvals for a eccentric bushing:
For these models most: Boeing 747 (3), Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Seal Dynamics INC | Eccentric Bushing 311U2751-4SD | Boeing P/N 311U2751-4 | Boeing 747-400 Series, 747-400F Series | 2013-12-05 | current |
| Gemini Engineering | ECCENTRIC BUSHING 311U2751-4 | 311U2751-4 | Boeing 747-400 Series, 747-400F Series | 2009-06-03 | current |
| Gemini Engineering | ECCENTRIC BUSHING 311U2751-2 | 311U2751-2 | Boeing 747-400 Series, 747-400D Series,... | 2009-06-03 | current |
| Aerostar Engineering INC | Eccentric Bushing TE Aft Flaps AE69-38829 | Boeing 69-38829 | Boeing 737 | 1992-08-26 | 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.