Planetary Gearbox
No failure report names the planetary gearbox. 6 FAA approvals let 1 company make a replacement planetary gearbox, Reabe Aircraft Products LLC holding the most (6).
Approved replacement parts 6 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a planetary gearbox and sell it as an approved part for the models named. These are the companies holding such approvals for a planetary gearbox:
For these models most: Thrush Aircraft Llc S2 (3), Thrush Aircraft Inc S-2 (3), Ayres Corporation S-2 (3), Air Tractor Inc AT-802 (3), Air Tractor Inc AT-602 (3), Air Tractor Inc AT-504 (3), Air Tractor Inc AT-502 (3), Air Tractor Inc AT-402 (3), Air Tractor Inc AT-400 (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Reabe Aircraft Products LLC | Planetary Gearbox 8-7-2-004 | 8-7-2-004 | Thrush Aircraft LLC S2R-G10, S2R-G5, S2R-T34 | 2023-12-18 | current |
| Reabe Aircraft Products LLC | Planetary Gearbox Cover 8-7-2-102 | 8-7-2-102 | Thrush Aircraft LLC S2R-G10, S2R-G5, S2R-T34 | 2023-12-18 | current |
| Reabe Aircraft Products LLC | Planetary Gearbox Housing 8-7-2-101 | 8-7-2-101 | Thrush Aircraft LLC S2R-G10, S2R-G5, S2R-T34 | 2023-12-18 | current |
| Reabe Aircraft Products LLC | Planetary Gearbox 8-7-2-004 | 8-7-2-004 | Air Tractor Inc AT-400, AT-400A, AT-402 | 2023-12-18 | current |
| Reabe Aircraft Products LLC | Planetary Gearbox Cover 8-7-2-102 | 8-7-2-102 | Air Tractor Inc AT-400, AT-400A, AT-402 | 2023-12-18 | current |
| Reabe Aircraft Products LLC | Planetary Gearbox Housing 8-7-2-101 | 8-7-2-101 | Air Tractor Inc AT-400, AT-400A, AT-402 | 2023-12-18 | 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.