Arrowseal
No failure report names the arrowseal. 2 FAA approvals let 1 company make a replacement arrowseal, Arrowhead Products holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a arrowseal and sell it as an approved part for the models named. These are the companies holding such approvals for a arrowseal:
For these models most: Mcdonnell Douglas MD-11 (2), Mcdonnell Douglas DC-10 (1), Douglas DC-10 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Arrowhead Products | ARROWSEAL 12950-S-450-1 | 12950-S-450-1 | McDonnell Douglas MD-11, MD-11F | 2008-04-07 | current |
| Arrowhead Products | ARROWSEAL 12950-S-400 | 12950-S-400 | McDonnell Douglas DC-10-10, DC-10-10F, DC-10-15 | 2008-04-07 | 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.