Size Control
No failure report names the size control. 3 FAA approvals let 2 companies make a replacement size control, Ads/Transcoil holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a size control and sell it as an approved part for the models named. These are the companies holding such approvals for a size control:
For these models most: Mcdonnell Douglas MD-11 (3), Mcdonnell Douglas DC-10 (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Ads/Transcoil | Size 8 Control Transmitter U-215110 | U-215110 | Boeing/McDonnell Douglas DC-10-10, DC-10F, DC-15 | 2010-05-20 | current |
| Ads/Transcoil | Size 8 Control Transmitter U-215110 | U-215110 | Boeing/McDonnell Douglas DC-10-10, DC-10F, DC-15 | 2005-07-06 | current |
| Transicoil INC | Size 8 Control Transmitter U-215110 | McDonnell Douglas U-215110 | McDonnell Douglas DC-10-10, DC-10F, DC-15 | 1999-04-18 | 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.