Thermostat Control
No failure report names the thermostat control. 3 FAA approvals let 3 companies make a replacement thermostat control, Triumph Accessory Services 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 thermostat control and sell it as an approved part for the models named. These are the companies holding such approvals for a thermostat control:
For these models most: Piper PA-31 Navajo and Chieftain (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lamar Technologies LLC | Thermostat Control B-00345-1 | 488-589 | Piper PA-31T/T1 | 1999-05-31 | current |
| Lamar INC | Thermostat Control B-00345-1 | 488 589 | Piper PA-31P/-31T | 1992-12-31 | current |
| Triumph Accessory Services | Thermostat Control B-00345-1 | Piper 488 589 | Piper PA-31P/-31T | 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.