Ltr Gyro
No failure report names the ltr gyro. 2 FAA approvals let 2 companies make a replacement ltr gyro, Northrop Grumman Guidance and Electronics CO INC 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 ltr gyro and sell it as an approved part for the models named. These are the companies holding such approvals for a ltr gyro:
For these models most: Boeing 737 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Northrop Grumman Guidance and Electronics CO INC | LTR-97 Gyro System/ Cable Extension All parts noted on Top... | Modification Part | Boeing 737-200 Series | 2008-02-21 | current |
| Litton Systems INC | LTR-97 Gyro System/ Cable Extension All parts noted on Litton... | Modification Part | Boeing 737-200 Series | 2001-03-27 | 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.