Spacer Turbine
No failure report names the spacer turbine. 4 FAA approvals let 3 companies make a replacement spacer turbine, Smith-West INC 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 spacer turbine and sell it as an approved part for the models named. These are the companies holding such approvals for a spacer turbine:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aerex Manufacturing INC | Spacer Turbine Air Slg Ring 807758AER | Pratt & Whitney 807758 | Pratt & Whitney JT8D-15A, -17A, -17AR | 1994-06-29 | current |
| Mcclain International INC | Spacer turbine, 2nd stage M2548 | P&W 596948 | Pratt & Whitney JT8D-1, -1A, -1B | 1994-04-05 | current |
| Smith-West INC | Spacer-Turbine Air Sealing Ring SW672092 | Pratt & Whitney 672092 | Pratt & Whitney JT9D-3A, -7, -7A | 1993-04-12 | current |
| Smith-West INC | Spacer-Turbine Air Sealing Ring SW672094 | Pratt & Whitney 672094 | Pratt & Whitney JT9D-3A, -7, -7A | 1993-04-12 | 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.