Pylon Mounted
No failure report names the pylon mounted. 3 FAA approvals let 3 companies make a replacement pylon mounted, Rohr INC (See Goodrich Aerostructures) holding the most (1).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a pylon mounted and sell it as an approved part for the models named. These are the companies holding such approvals for a pylon mounted:
For these models most: Gulfstream G-1159 Gulfstream II and III (1), Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Honeywell International INC. Honeywell Aerospace | Pylon Mounted Precooler L8742898-1 | 190992-8-1 | Boeing 747-200B Series, 747-200C Series,... | 2020-07-26 | current |
| Really Quiet LLC | Pylon Mounted Translating Ejector Noise Suppression... All parts listed on Dwg... | Modification Part | Gulfstream G-1159 | 2002-03-21 | current |
| Rohr INC (See Goodrich Aerostructures) | Pylon Mounted Valve, Filter and ACC System NWL4254000-2 | CFM International NWL4254000-2 | CFM International CFM56-5C2, -5C3 | 1993-10-17 | 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.