Control Assem
No failure report names the control assem. 4 FAA approvals let 2 companies make a replacement control assem, Triumph Accessory Services holding the most (2).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a control assem and sell it as an approved part for the models named. These are the companies holding such approvals for a control assem:
For these models most: Piper PA-31 Navajo and Chieftain (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lamar INC | Control Assem Cabin Comfort B-00351-2 | 764 658 | Piper PA-31P | 1992-12-31 | current |
| Lamar INC | Control Assem B-00351-1 | 556 860 | Piper PA-31T/-31T1 | 1992-12-31 | current |
| Triumph Accessory Services | Control Assem Cabin Comfort B-00351-2 | Piper 764 658 | Piper PA-31P | 1991-07-17 | current |
| Triumph Accessory Services | Control Assem Bk-00351-1 | Piper 556 860 | Piper PA-31T/-31T1 | 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.