Flexible Tube
No failure report names the flexible tube. 4 FAA approvals let 2 companies make a replacement flexible tube, Pma Design & Manufacturing holding the most (2).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a flexible tube and sell it as an approved part for the models named. These are the companies holding such approvals for a flexible tube:
For these models most: Mcdonnell Douglas DC-9 (2), Dehavilland DHC-6 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Pma Design & Manufacturing | Flexible Tube Assembly PDM461C1B3B3-04-0220 | 461C1B3B3-04-0220 | Viking Air Limited DHC-6-400 Series | 2024-06-25 | current |
| Pma Design & Manufacturing | Flexible Tube Assembly PDM461C1B3B3-04-0220 | 461C1B3B3-04-0220 | Viking Air Ltd DHC-6-100, DHC-6-200, DHC-6-300 | 2010-07-21 | current |
| Aerocontrolex Group, Transdigm INC | Flexible Tube Assembly 18835-2 | McDonnell Douglas 18835-2 | McDonnell Douglas DC-9-11, -14, -15 | 1997-11-06 | current |
| Aerocontrolex Group, Transdigm INC | Flexible Tube Assembly 18835-1 | McDonnell Douglas 18835-1 | McDonnell Douglas DC-9-11, -14, -15 | 1997-11-06 | 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.