Cone Turbine
No failure report names the cone turbine. 2 FAA approvals let 1 company make a replacement cone turbine, Electro-Methods INC holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a cone turbine and sell it as an approved part for the models named. These are the companies holding such approvals for a cone turbine:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Electro-Methods INC | Cone Assembly-Rear Turbine Bearing Support EM27521 | Allison 23008937 | Allison Engine T56/501-15L, 14L, D22 | 1995-03-16 | current |
| Electro-Methods INC | Cone Assembly-Rear Turbine Bearing Support EM27514 | Allison 6829099 | Allison Engine T56/501-D13 | 1995-02-07 | 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.