Chord Section
No failure report names the chord section. 1 FAA approvals let 1 company make a replacement chord section, Aviation Technical 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 chord section and sell it as an approved part for the models named. These are the companies holding such approvals for a chord section:
For these models most: Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Technical Services | Upper Chord -Section 43 143A5410U174ATSMRO | 143A5410U174 | The Boeing Company 737-700 Series, 737-800 Series, 737-8 | 2025-07-09 | 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.