Elastomeric Bearing
No failure report names the elastomeric bearing. 6 FAA approvals let 2 companies make a replacement elastomeric bearing, Lord Corporation, Mechanical Products Division holding the most (3).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a elastomeric bearing and sell it as an approved part for the models named. These are the companies holding such approvals for a elastomeric bearing:
For these models most: Sikorsky S-76 (4), Agusta Spa A109 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lord Corporation, Mechanical Products Division | Elastomeric Bearing LB4-1077-4-1 | 109-0111-04-101 | Agusta A109E | 2011-10-13 | current |
| Lord Corporation, Mechanical Products Division | Elastomeric Bearing, Bonded LB5-1029-8-1 | Sikorsky Aircraft P/N SB7003-102, D/N SB7003 Rev. G | Sikorsky S76A, S76B, S76C | 2011-06-26 | current |
| Lord Corporation, Mechanical Products Division | Elastomeric Bearing, Bonded LB4-1029-9-3 | Sikorsky Aircraft P/N SB7004-103, D/N SB7004 Rev. J | Sikorsky S76A, S76B, S76C | 2011-06-26 | current |
| Lord Corporation | Elastomeric Bearing, Bonded LB5-1029-8-1 | Sikorsky Aircraft P/N SB7003-102, D/N SB7003 Rev. G | Sikorsky S76A, S76B, S76C | 2011-06-26 | current |
| Lord Corporation | Elastomeric Bearing, Bonded LB4-1029-9-3 | Sikorsky Aircraft P/N SB7004-103, D/N SB7004 Rev. J | Sikorsky S76A, S76B, S76C | 2011-06-26 | current |
| Lord Corporation | Elastomeric Bearing LB4-1077-4-1 | Agusta 109-0111-04-101 | Agusta A109E | 1998-12-09 | 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.