Control Surface
No failure report names the control surface. 3 FAA approvals let 3 companies make a replacement control surface, Meggitt (Orange County), INC 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 control surface and sell it as an approved part for the models named. These are the companies holding such approvals for a control surface:
For these models most: Boeing 747 (1), Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Meggitt (Orange County), INC | Control Surface Position Indicator 40-694-2 | (10-62086-2) | Boeing 737-300 Series, 737-400 Series | 2013-10-23 | current |
| Eaton Aerospace Sterer Engineering | Control Surface Damper Actuator 42800-9 | 672470-109 | Lockheed L-1011-385-1, L-1011-385-1-14,... | 2000-11-07 | current |
| Litton Systems INC, Litton Special Devices | Control Surface Position Indicator 9819-29-03 | Boeing 60B00102-4 | Boeing 747-100 | 1996-12-15 | 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.