Stud Cap
No failure report names the stud cap. 3 FAA approvals let 1 company make a replacement stud cap, Seal Dynamics INC holding the most (3).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a stud cap and sell it as an approved part for the models named. These are the companies holding such approvals for a stud cap:
For these models most: Boeing 737 (3), Boeing 777 (1), Boeing 767 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Seal Dynamics INC | Stud-Cap 140210-1SD | 140210-1 | The Boeing Company 737-300 Series, 737-400 Series,... | 2025-08-18 | current |
| Seal Dynamics INC | Stud-Cap 140210-1SD | Hartwell P/N 140210-1 | The Boeing Company 737-8, 737-9 | 2020-01-20 | current |
| Seal Dynamics INC | Stud-Cap 140210-1SD | Boeing P/N 140210-1 | Boeing 737-700 Series, 737-800 Series,... | 2016-09-28 | 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.