Bearing Main
No failure report names the bearing main. 9 FAA approvals let 2 companies make a replacement bearing main, Superior Air Parts INC holding the most (8).
Approved replacement parts 9 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a bearing main and sell it as an approved part for the models named. These are the companies holding such approvals for a bearing main:
For these models most: Mcdonnell Douglas DC-9 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Superior Air Parts INC | Bearing-Main SA643233 M010 | 643233M010 | Continental... C75, C85, C90 | 2020-07-06 | current |
| Superior Air Parts INC | Bearing-Main SA643233 M005 | 643233M005 | Continental... C75, C85, C90 | 2020-07-06 | current |
| Superior Air Parts INC | Bearing-Main SA643233 M020 | 643233M020 | Continental... C75, C85, C90) (O-200-A | 2020-07-06 | current |
| Superior Air Parts INC | Bearing- Main SA643233 M20 | 643233 M20 | Continental C75, C85, C90 | 2011-04-14 | current |
| Superior Air Parts INC | Bearing- Main SA643233 M10 | 643233 M10 | Continental C75, C85, C90 | 2011-04-14 | current |
| Superior Air Parts INC | Bearing- Main SA643233 M05 | 643233 M05 | Continental C75, C85, C90 | 2011-04-14 | current |
| Superior Air Parts INC | Bearing- Main SA643233 | 643233 | Continental C75, C85, C90 | 2011-04-14 | current |
| Aar Landing Gear Services | Lower Bearing Main Landing Gear 3935367-503AAR | 3935367-503 | McDonnell Douglas DC9-81, -82, -83 | 2001-08-13 | current |
| Superior Air Parts INC | Bearing Front & Rear Main Crankcase SP81704 | P&W 81704 | Pratt & Whitney Double Wasp CA3, CA18, CB3 | 1993-09-14 | 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.