Hermetic Sealed
No failure report names the hermetic sealed. 2 FAA approvals let 2 companies make a replacement hermetic sealed, Woodson Avionics INC holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a hermetic sealed and sell it as an approved part for the models named. These are the companies holding such approvals for a hermetic sealed:
For these models most: Douglas DC-8 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Butler National Corporation | Hermetic Sealed Switch Unit 600930-101 | 600930-101 | McDonnell Douglas DC-8, Series (Domestic) 11, 12 | 2003-02-23 | current |
| Woodson Avionics INC | Hermetic Sealed Sw. Unit 600930-101 | McDonnell Douglas 600918-101 | McDonnell Douglas DC-8 Series (Domestic) 11, 12, 21 | 1997-08-04 | 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.