Relief Tube
No failure report names the relief tube. 2 FAA approvals let 2 companies make a replacement relief tube, Aviation Fabricators INC 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 relief tube and sell it as an approved part for the models named. These are the companies holding such approvals for a relief tube:
For these models most: Cessna 525 CitationJet (CJ series) (1), Beechcraft B300 King Air 350 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Fabricators INC | Relief Tube Installation 32-0543K | Modification Part | Textron B300, B300C | 2022-09-20 | current |
| Aero Tech Aviation Design LLC | Relief Tube Coupling TA05-1116000-D015 | 4711104-2, 4710086-2 | Cessna 525C | 2017-08-20 | 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.