Ground Stud
43 failure reports named the ground stud in the last ten years, 119 since 1995, most often on the Bombardier CL-600 Challenger and CRJ; the condition most often found was "corroded". 10 FAA approvals let 7 companies make a replacement ground stud, Northwest Aerospace Technologies INC holding the most (3).
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 4 |
| 2006 | 1 |
| 2007 | 7 |
| 2008 | 5 |
| 2009 | 1 |
| 2010 | 6 |
| 2011 | 4 |
| 2012 | 5 |
| 2013 | 14 |
| 2014 | 16 |
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 10 |
| 2025 | 1 |
| 2026 | 4 |
Which system the reports file it under last ten years
Models most often reporting it last ten years
Models most reported, as a table
How it failed the condition found, last ten years
Conditions found, as a table
| reports | |
|---|---|
| corroded | 18 |
| loose | 9 |
| damaged | 4 |
| dirty | 4 |
| worn | 2 |
| broken | 1 |
| melted | 1 |
| misinstalled | 1 |
| missing | 1 |
| undertorqued | 1 |
Engines most often reporting it
Approved replacement parts 10 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a ground stud and sell it as an approved part for the models named. These are the companies holding such approvals for a ground stud:
For these models most: Boeing 757 (3), Boeing 777 (2), Mcdonnell Douglas DC-9 (1), Learjet 60 (1), Boeing 767 (1), Boeing 747 (1), Boeing 737 (1), Airbus A319 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Northwest Aerospace Technologies, INC. | GROUND STUD 4NS010-1 | 4NS010-1 | Boeing 777-200 Series | 2018-11-11 | current |
| Northwest Aerospace Technologies INC | GROUND STUD 4NS010-1 | 4NS010-1 | Airbus A319-132, A319-133 | 2016-06-23 | current |
| Northwest Aerospace Technologies INC | GROUND STUD 4NS010-1 | 4NS010-1 | Boeing 777-200 Series | 2016-01-20 | current |
| Aar Aircraft Services INC | Ground Stud Instl Kit 30584SM028-301 | Modification Part | Boeing 757-200 series | 2015-12-30 | current |
| Northwest Aerospace Technologies INC | Ground Stud Bracket Assy 10N01335-11 | 10N01335-11 | Boeing 737-800 | 2015-08-04 | current |
| Raisbeck Engineering INC | Ground Stud Kit Assembly 09LJ-53-370-0015 | Modification Part | Learjet 60 | 2014-07-23 | current |
| Gemini Engineering | GROUND STUD ASSY 287T4507-3 | 287T4507-3 | Boeing 747-400 Series, 747-400D Series,... | 2009-06-03 | current |
| Northwest Aerospace Technologies | Ground Stud Buildup 4NS010-1 | Modification Part | Boeing 757-200 | 2007-06-04 | current |
| Northwest Aerospace Technologies | Ground Stud Buildup 4NS010-1 | Modification Part | Boeing 757-200 | 2007-05-09 | current |
| Flight Structures INC | GROUND STUD FSS1107-7 | MODIFICATION PART | McDonnell Douglas DC9-32 | 2000-04-13 | 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.