Rectangular Flange
No failure report names the rectangular flange. 1 FAA approvals let 1 company make a replacement rectangular flange, Airborne Maintenance & Engineering Services 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 rectangular flange and sell it as an approved part for the models named. These are the companies holding such approvals for a rectangular flange:
For these models most: Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Airborne Maintenance & Engineering Services | RECTANGULAR FLANGE B47-21-015-01 | B47-21-015-01 | The Boeing Company 747-400 Series | 2026-09-22 | 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.