Firewall Seal
No failure report names the firewall seal. 1 FAA approvals let 1 company make a replacement firewall seal, Purosil, Division of Burke Rubber holding the most (1).
Approved replacement parts 1 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a firewall seal and sell it as an approved part for the models named. These are the companies holding such approvals for a firewall seal:
For these models most: Boeing 727 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Purosil, Division of Burke Rubber | Firewall Seal 600-412 | Dee Howard Aircraft Co QF3610460-1 | Boeing 727-22C, -25C, -27C | 1994-10-17 | 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.