Main Aircraft
No failure report names the main aircraft. 5 FAA approvals let 1 company make a replacement main aircraft, Teledyne Controls LLC holding the most (5).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a main aircraft and sell it as an approved part for the models named. These are the companies holding such approvals for a main aircraft:
For these models most: Boeing 737 (5).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Teledyne Controls LLC | Main Aircraft Installation Kit, ECP 2251008-003 | Modification Part | The Boeing Company 737-300 Series, 737-400 Series,... | 2026-09-28 | current |
| Teledyne Controls LLC | Main Aircraft Installation Kit, ECP 2251008-001 | Modification Part | The Boeing Company 737-300 Series, 737-400 Series,... | 2026-09-28 | current |
| Teledyne Controls LLC | Main Aircraft Installation Kit, ECP 2251008-005 | Modification Part | The Boeing Company 737-300 Series, 737-400 Series,... | 2026-09-28 | current |
| Teledyne Controls LLC | Main Aircraft Installation Kit, ECP 2251008-004 | Modification Part | The Boeing Company 737-300 Series, 737-400 Series,... | 2026-09-28 | current |
| Teledyne Controls LLC | Main Aircraft Installation Kit, ECP 2251008-002 | Modification Part | The Boeing Company 737-300 Series, 737-400 Series,... | 2026-09-28 | 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.