Spring Cover
No failure report names the spring cover. 6 FAA approvals let 4 companies make a replacement spring cover, Pma Sales LLC holding the most (3).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a spring cover and sell it as an approved part for the models named. These are the companies holding such approvals for a spring cover:
For these models most: Boeing 737 (5), Mcdonnell Douglas DC-9 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aero Fluid Products | Spring Cover 7003-48-1 | 321248 | Boeing 737-100 Series, 737-200 Series,... | 2019-02-20 | current |
| Pma Sales LLC | Spring Cover P321248 | 321248 | BOEING 737-100 Series, 737-200 Series,... | 2016-10-06 | current |
| Pma Sales LLC | Spring Cover P321248 | 321248 | Boeing 737-100 Series, 737-200 Series,... | 2012-10-16 | current |
| Pma Sales LLC | Spring Cover P321248 | 321248 | Boeing 737-100 Series, 737-200 Series,... | 2008-07-28 | current |
| Dukes INC | Spring Cover 7003-48-1 | 321248 | Boeing 737-100 Series, 737-200 Series,... | 2003-04-09 | current |
| Air Spares INC | Spring-Cover, Lens Gap 4919710-1 | McDonnell Douglas 4919710-1 | McDonnell Douglas DC-9-10, -20, -30 | 1992-08-16 | 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.