Pressure Bulk
No failure report names the pressure bulk. 2 FAA approvals let 1 company make a replacement pressure bulk, Aearo Technologies, LLC holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a pressure bulk and sell it as an approved part for the models named. These are the companies holding such approvals for a pressure bulk:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aearo Technologies, LLC | Fwd Pressure Bulk. Insulation Kit 30P115200000-505 | 30P115200000-505 | Gulfstream Aerospace, LP Gulfstream 280 | 2018-05-21 | current |
| Aearo Technologies, LLC | Fwd Pressure Bulk. Insulation Kit 30P115200000-505 | 30P115200000-505 | Gulfstream Aerospace, LP Gulfstream 280 | 2018-05-21 | 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.