Blade Bearing
0 failure reports named the blade bearing in the last ten years, 4 since 1995. 3 FAA approvals let 3 companies make a replacement blade bearing, Piedmont Propulsion Systems LLC holding the most (1).
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1995 | 2 |
| 1997 | 1 |
| 1999 | 1 |
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a blade bearing and sell it as an approved part for the models named. These are the companies holding such approvals for a blade bearing:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Piedmont Propulsion Systems LLC | Blade Bearing PPS-772536-7 | 772536-7 | Hamilton Sundstrand 14SF-5, -7, -11 | 2021-02-12 | current |
| Cambridge Manufacturing | Blade Bearing CM772536-7 | Hamilton-Sundstrand 772536-7 | Hamilton Standard 14SF-5, 14SF-6, 14SF-7 | 2014-10-02 | current |
| Aeroprop INC | Blade Bearing Split APA-1851 | Hartzell Propeller, Inc. A-1851 | Hartzell HC-B3TN-2, -3, -3A | 1995-04-26 | 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.