Roller Uplock
No failure report names the roller uplock. 3 FAA approvals let 3 companies make a replacement roller uplock, Mitchell Pma, LLC holding the most (1).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a roller uplock and sell it as an approved part for the models named. These are the companies holding such approvals for a roller uplock:
For these models most: Israel Aircraft Industries GALAXY (2), Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Mitchell Pma, LLC | Roller Assy-Uplock 161A1181-1MIT | 161A1181-1 | The Boeing company 737-600 Series, 737-700 Series,... | 2025-04-08 | current |
| Gulfstream Aerospace LP | Roller Assembly Uplock, MLG 4AS2651117-501 | IAI 4AS2651117-501 | Gulfstream Galaxy | 2001-06-06 | current |
| Galaxy Aerospace CO LP | Roller Assembly Uplock, MLG 4AS2651117-501 | IAI 4AS2651117-501 | Gulfstream Galaxy | 2001-05-08 | 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.