Valve Landing
No failure report names the valve landing. 3 FAA approvals let 2 companies make a replacement valve landing, Woodward Hrt, 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 valve landing and sell it as an approved part for the models named. These are the companies holding such approvals for a valve landing:
For these models most: Saab-Fairchild 340 (1), Boeing 767 (1), Boeing 757 (1), Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Woodward Hrt, INC | Valve Assembly Landing Gear Selector 1U1302-1 | 60B00216-5 | Boeing 757-200 767-200 Series, 767-300... | 2019-06-20 | current |
| Woodward Hrt, INC | Valve Assembly Landing Gear Selector 1U1302 | 60B00216-4 | Boeing 747-100 Series, 747-200B Series,... | 2019-06-20 | current |
| Tactair Fluid Controls INC | Valve Landing Gear Selector HP848430-722 | Tactair HP848430-721 | Saab-Fairchild Saab . 340A(Saab/SF340A) 340B | 2009-10-01 | 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.