Weld Plenum
No failure report names the weld plenum. 4 FAA approvals let 1 company make a replacement weld plenum, L-3 Communications Integrated Systems holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a weld plenum and sell it as an approved part for the models named. These are the companies holding such approvals for a weld plenum:
For these models most: Air Tractor Inc AT-802 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| L-3 Communications Integrated Systems | WELD ASSY-PLENUM SUPPORT-FWD L2129‐1 | Modification Part | Air Tractor Inc. AT‐802 | 2024-01-25 | current |
| L-3 Communications Integrated Systems | WELD ASSY-PLENUM SUPPORT-AFT-UPPER L2128‐1 | Modification Part | Air Tractor Inc. AT‐802 | 2024-01-25 | current |
| L-3 Communications Integrated Systems | WELD ASSY-PLENUM SUPPORT-FWD-UPPER L2126‐1 | Modification Part | Air Tractor Inc. AT‐802 | 2024-01-25 | current |
| L-3 Communications Integrated Systems | WELD ASSY-PLENUM L2122‐1 | Modification Part | Air Tractor Inc. AT‐802 | 2024-01-25 | 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.