Hinge Lav
No failure report names the hinge lav. 2 FAA approvals let 1 company make a replacement hinge lav, Aviation Technical Services 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 hinge lav and sell it as an approved part for the models named. These are the companies holding such approvals for a hinge lav:
For these models most: Boeing 737 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Aviation Technical Services | Hinge Assy – Lav Service 146A7414-9ATSPMA | 146A7414-9 | The Boeing Company 737-700 series, 737-800 series, 737-8 | 2026-03-30 | current |
| Aviation Technical Services | Hinge Assy – Lav Service 146A7414-7ATSPMA | 146A7414-7 | The Boeing Company 737-700 series, 737-800 series, 737-8 | 2026-03-30 | 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.