Frequency Meter
No failure report names the frequency meter. 2 FAA approvals let 2 companies make a replacement frequency meter, Rogerson Kratos holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a frequency meter and sell it as an approved part for the models named. These are the companies holding such approvals for a frequency meter:
For these models most: Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Rogerson Kratos | Frequency Meter Indicator 115-035 | 115-035 | BAE Systems Operations) Limited (BAE 146 Series... | 2002-06-16 | current |
| Lewis Engineering CO, Coltec Industries | Frequency Meter 149LF10 | Boeing S231N212-5 | Boeing 737-100, -200, -300 | 1998-12-27 | 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.