Monitor Low
No failure report names the monitor low. 5 FAA approvals let 3 companies make a replacement monitor low, Triumph Accessory Services holding the most (2).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a monitor low and sell it as an approved part for the models named. These are the companies holding such approvals for a monitor low:
For these models most: Piper PA-46 Malibu, Mirage, Matrix and M-Class (3), Piper PA-34 Seneca (3), Piper PA-31 Navajo and Chieftain (3), Piper PA-44 Seminole (2), Piper PA-32 Cherokee Six, Lance and Saratoga (2), Piper PA-28 Cherokee, Warrior, Archer and Arrow (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lamar Technologies LLC | Monitor Low Voltage B-00375-2 | 475-272 | Piper PA-31P, PA-31T Series, PA-34 Series | 1999-05-31 | current |
| Lamar INC | Monitor Low Voltage B-00375-2 | 475 272 | Piper PA-31P, PA-31T Series, PA-34 Series | 1992-12-31 | current |
| Lamar INC | Monitor Low Voltage B-00375-4 | 506 778 | Piper PA-28 Series, PA-32 Series, PA-44 Series | 1992-12-31 | current |
| Triumph Accessory Services | Monitor Low Voltage B-00375-4 | Piper 506 778 | Piper PA-28 Series, PA-32 Series, PA-44 Series | 1991-07-17 | current |
| Triumph Accessory Services | Monitor Low Voltage B-00375-2 | Piper 475 272 | Piper PA-31P, PA-31T Series, PA-34 Series | 1991-07-17 | 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.