Summing Amplifier
No failure report names the summing amplifier. 2 FAA approvals let 2 companies make a replacement summing amplifier, Jet Tech LLC 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 summing amplifier and sell it as an approved part for the models named. These are the companies holding such approvals for a summing amplifier:
For these models most: Cessna 525 CitationJet (CJ series) (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Jettech, LLC | Summing Amplifier 1206-4000-01 | Modification Article | Textron Aviation Inc 525, 525A, 525B | 2024-04-05 | current |
| Jet Tech LLC | Summing Amplifier 1206-4000-01 | Modification Part | Textron Aviation Inc. 525, 525A, 525B | 2023-04-06 | 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.