Cap Tube
No failure report names the cap tube. 3 FAA approvals let 3 companies make a replacement cap tube, Turbine Kinetics INC, Subsidiary of Heico CORP 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 cap tube and sell it as an approved part for the models named. These are the companies holding such approvals for a cap tube:
For these models most: Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Boeing Distribution, INC. | Cap – Tube Assy. AVST3184-06 | ST3184-06 | The Boeing Company 747-400 Series, 747-8 Series | 2024-04-12 | current |
| Turbine Kinetics INC, Subsidiary of Heico CORP | Cap Assy- Tube KTJ1189G04 | J1189G04 | CFM International CFM56-2, CFM56-2A, CFM56-2B | 2008-07-06 | current |
| Faber Enterprises INC | Cap-Tube 31926-06J | 1A9807 | Pratt & Whitney PW2037, PW2037M, PW2040 | 2000-04-19 | 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.