Servo Heater
No failure report names the servo heater. 2 FAA approvals let 2 companies make a replacement servo heater, Triumph Thermal Systems INC holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a servo heater and sell it as an approved part for the models named. These are the companies holding such approvals for a servo heater:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Triumph Thermal Systems INC | Servo Heater UA538950-7 | GE Aircraft Engines P/N: 1306M13P02 | General Electric CF6-80C2B1F, CF6-80C2B6FA | 2003-11-20 | current |
| Parker Hannifin CORP | Servo Heater UA538950-3, -4 | GE 1306M13P01, P02 | General Electric CF6-80 | 1993-04-05 | 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.