Formed Seal
No failure report names the formed seal. 3 FAA approvals let 2 companies make a replacement formed seal, Triumph Composite Systems INC holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a formed seal and sell it as an approved part for the models named. These are the companies holding such approvals for a formed seal:
For these models most: Boeing 747 (2), Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Kirkhill, INC | FORMED SEAL 5673-1159 | 10-60754-1159 | The Boeing Company 737-600 Series, 737-700 Series,... | 2025-08-15 | current |
| Triumph Composite Systems INC | FORMED SEAL 69B60172-6 | 69B60172-6 | Boeing 747-100 SERIES, 747-100B SERIES,... | 2005-11-25 | current |
| Triumph Composite Systems INC | Formed Seal 69B60172-6 | 69B60172-6 | Boeing 747-100, -100B, -100B SUD | 2003-08-14 | 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.