Stud Mod
No failure report names the stud mod. 3 FAA approvals let 2 companies make a replacement stud mod, Rockwell Collins INC 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 stud mod and sell it as an approved part for the models named. These are the companies holding such approvals for a stud mod:
For these models most: Boeing 737 (3), Boeing 757 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Rockwell Collins INC | Stud Mod 642-0140-002 | 642-0140-002 | Boeing 737-300 Series | 2016-06-01 | current |
| Rockwell Collins INC | Stud Mod 642-0140-002 | 642-0140-002 | Boeing 737-300 Series, 737-500 Series,... | 2016-06-01 | current |
| Sony Trans Com INC | Stud Mod 642-0140-002 | 642-0140-002 | Boeing 737-300 Series, 737-300 SERIES,... | 1999-12-09 | 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.