Bushing Torsion
No failure report names the bushing torsion. 7 FAA approvals let 3 companies make a replacement bushing torsion, Growth Industries INC holding the most (4).
Approved replacement parts 7 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a bushing torsion and sell it as an approved part for the models named. These are the companies holding such approvals for a bushing torsion:
For these models most: Boeing 737 (4), Boeing 747 (2), Boeing 727 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Certified Aerospace Corporation, INC. | Bushing-Torsion Link, Main Landing Gear CAC32A-1197-1 | 161A 1197-1 | Boeing 737-600, 737-700, 737-700C | 2012-04-19 | current |
| Certified Aerospace Corporation, INC. | Bushing-Torsion Link, Main Landing Gear AL37-1197-1 | 161A 1197-1 | Boeing 737-600, 737-700, 737-700C | 2011-12-04 | current |
| Allied Aerospace Engineering INC | Bushing-Torsion Link, Main Landing Gear AL37-1197-1 | 161A1197-1 | Boeing 737-600 Series, 737-700 Series,... | 2010-01-06 | current |
| Growth Industries INC | Bushing-Lower Torsion Link Apex, Nose Landing Gear 69B00246-1G | Boeing 69B00246-1 | Boeing 747 Series | 1996-11-14 | current |
| Growth Industries INC | Bushing-Torsion Link Apex, Wing Landing Gear 69B13315-1G, -2G, -3G, -4G, -5G | Boeing 69B13315-1, -2, -3, -4, -5 | Boeing 747-100B, 747-200B Series | 1996-04-01 | current |
| Growth Industries INC | Bushing-Torsion Link, Main Gear 66-12406-1G | Boeing 66-12406-1 | Boeing 727 Series | 1995-04-27 | current |
| Growth Industries INC | Bushing-Torsion Link, Lower Main Gear, 69-63929-1G/-2G | Boeing 69-63929-1/-2 | Boeing 737 Series | 1995-04-27 | 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.