Main Oil
0 failure reports named the main oil in the last ten years, 1 since 1997. 3 FAA approvals let 2 companies make a replacement main oil, United Technologies, Hamilton Sundstrand holding the most (2).
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1997 | 1 |
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a main oil and sell it as an approved part for the models named. These are the companies holding such approvals for a main oil:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| United Technologies, Hamilton Sundstrand | Main Oil Pressure Transducer 33B3197 | 33B3197 | Pratt & Whitney Canada Corp. | 2023-01-17 | current |
| United Technologies, Hamilton Sundstrand | Main Oil Temperature Sensor 33B3198 | 33B3198 | Pratt & Whitney Canada Corp. | 2023-01-17 | current |
| Hamilton Sundstrand Corporation | Main Oil Pump 7003895 | 7003895 | Rolls Royce Trent1000-A, Trent1000-C, Trent1000-D | 2010-05-18 | 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.