Transmission Clutch
No failure report names the transmission clutch. 3 FAA approvals let 2 companies make a replacement transmission clutch, Scott'S-Bell 47 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 transmission clutch and sell it as an approved part for the models named. These are the companies holding such approvals for a transmission clutch:
For these models most: Bell 47 (2), Bell-Carson 47 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Scott'S-Bell 47 INC. | Transmission clutch spider SB47-620-608-001 | Bell Helicopter P/N 47-620-608-1 | Scott's-Bell 47 47G, 47G-2, 47B | 2011-09-13 | current |
| Scott'S-Bell 47 INC. | Transmission clutch spider SB47-620-608-003 | Bell Helicopter P/N 47-620-608-3 | Scott's-Bell 47 47G-2, 47G-2A, 47G-2A-1 | 2011-09-13 | current |
| Tulsa Heliparts INC | Transmission Clutch Shoe Pivot Pin 90-620-692-1 | Bell 47-620-692-1 | Bell 47G-2, G-2A, G-2A-1 | 1999-03-02 | 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.