Hpc Bleed
No failure report names the hpc bleed. 2 FAA approvals let 2 companies make a replacement hpc bleed, United Technologies, Hamilton Sundstrand holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a hpc bleed and sell it as an approved part for the models named. These are the companies holding such approvals for a hpc bleed:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| United Technologies, Hamilton Sundstrand | HPC Bleed Valve Solenoid 33B4595-01 | 33B4595-01 | Pratt & Whitney Canada Corp. | 2023-01-17 | current |
| Hamilton Sundstrand | HPC BLEED PRESSURE SENSOR 1024619 | 5321268 | Pratt & Whitney PW1217G | 2020-03-10 | 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.