Quantity Measuring
No failure report names the quantity measuring. 7 FAA approvals let 2 companies make a replacement quantity measuring, Dowty Aerospace Yakima holding the most (5).
Approved replacement parts 7 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a quantity measuring and sell it as an approved part for the models named. These are the companies holding such approvals for a quantity measuring:
For these models most: Boeing 737 (6), Boeing 777 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Ge Aviation Systems LLC | Quantity Measuring Fuse 2-7865-2 | Boeing P/N: S294W122-1 | Boeing 777-200 & -300 series | 2007-11-14 | current |
| Ge Aviation Systems LLC | Quantity Measuring Fuse 2-7729-1, 2-7734-1,... | Boeing P/N: 10-62204-1, 10-62204-4,... | Boeing 737-300, -400 & -500 series | 2007-11-14 | current |
| Dowty Aerospace Yakima | Quantity Measuring Fuse 2-7734-1 | Boeing 10-62204-4 | Boeing 737-300, -400 & -500 | 1999-02-01 | current |
| Dowty Aerospace Yakima | Quantity Measuring Fuse 2-7729-1 | Boeing 10-62204-1 | Boeing 737-300, -400 & -500 | 1999-02-01 | current |
| Dowty Aerospace Yakima | Quantity Measuring Fuse 2-7735-1 | Boeing 10-62204-5 | Boeing 737-300, -400 & -500 | 1999-02-01 | current |
| Dowty Aerospace Yakima | Quantity Measuring Fuse 2-7736-1 | Boeing 10-62204-6 | Boeing 737-300, -400 & -500 | 1999-02-01 | current |
| Dowty Aerospace Yakima | Quantity Measuring Fuse 2-7737-1 | Boeing 10-62204-7 | Boeing 737-300, -400 & -500 | 1999-02-01 | 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.
