Watt Ballast
No failure report names the watt ballast. 3 FAA approvals let 1 company make a replacement watt ballast, Lopresti Speed Merchants holding the most (3).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a watt ballast and sell it as an approved part for the models named. These are the companies holding such approvals for a watt ballast:
For these models most: Gulfstream GV-SP (G500) (1), Gulfstream GIV-X G450 (1), Gulfstream G-IV Gulfstream IV (1), Gulfstream G-1159 Gulfstream II and III (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Lopresti Speed Merchants | 60 Watt Ballast LSM-SCD-019-1 | Modification Part | Gulfstream G-1159, G-1159 II, G-1159A III | 2016-08-22 | current |
| Lopresti Speed Merchants | 60 Watt Ballast LSM-SCD-019-1 | Modification Part | Raytheon Aircraft Company 55A, 55B, 55C | 2015-04-28 | current |
| Lopresti Speed Merchants | 85 Watt Ballast LSM-SCD-019-5 | Modification Part | Raytheon Aircraft Company 55A, 55B, 55C | 2015-04-28 | 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.