Wels Battery
No failure report names the wels battery. 3 FAA approvals let 2 companies make a replacement wels battery, Securaplane Technologies holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a wels battery and sell it as an approved part for the models named. These are the companies holding such approvals for a wels battery:
For these models most: Boeing 787 Dreamliner (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aero Design Inc/A Heico Aerospace Company | WELS Battery Unit AD-100-2602-01 | 100-2602-01 | The Boeing Company 787-8, 787-9, 787-10 | 2022-04-22 | current |
| Securaplane Technologies | WELS Battery Unit 100-2602-01 | 100-2602-01 | Boeing 787-9, 787-10 | 2020-03-16 | current |
| Securaplane Technologies | WELS Battery Unit 100-2602-01 | 100-2602-01 | Boeing 787-8 | 2013-06-16 | 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.