Timer Pneumatic
No failure report names the timer pneumatic. 3 FAA approvals let 3 companies make a replacement timer pneumatic, 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 timer pneumatic and sell it as an approved part for the models named. These are the companies holding such approvals for a timer pneumatic:
For these models most: Piper PA-31 Navajo and Chieftain (3), Piper PA-23 Apache and Aztec (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lamar Technologies LLC | Timer Pneumatic Control B-00325-1 | 488-699 | Piper PA-23 Series, PA-31 Series, PA-31T Series | 1999-05-31 | current |
| Lamar INC | Timer Pneumatic Control B-00325-1 | 488 699 | Piper PA-23 Series, PA-31 Series, PA-31T Series | 1992-12-31 | current |
| Triumph Accessory Services | Timer Pneumatic Control B-00325-1 | Piper 488 699 | Piper PA-23 Series, PA-31 Series, PA-31T 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.