Isolator Mount
4 failure reports named the isolator mount in the last ten years, 4 since 2025, most often on the Boeing 737; the condition most often found was "cracked". 11 FAA approvals let 5 companies make a replacement isolator mount, Spirit Aerosystems INC holding the most (3).
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 2025 | 3 |
| 2026 | 1 |
Which system the reports file it under last ten years
Reports by system, as a table
| reports | |
|---|---|
| Cabin, seats and restraints | 2 |
| Airframe structure | 2 |
Models most often reporting it last ten years
Models most reported, as a table
| reports | |
|---|---|
| Boeing 737 | 4 |
How it failed the condition found, last ten years
Conditions found, as a table
| reports | |
|---|---|
| cracked | 3 |
| broken | 1 |
Approved replacement parts 11 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a isolator mount and sell it as an approved part for the models named. These are the companies holding such approvals for a isolator mount:
For these models most: Boeing 747 (6), Boeing 737 (3), Boeing 757 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Airborne Maintenance & Engineering Services | Isolator Mount 007-04405-185 | 007-04405-185 | Boeing 737-400 | 2022-05-12 | current |
| Airborne Maintenance & Engineering Services | Isolator Mount 007-04405-185 | 007-04405-185 | Boeing 737-700 | 2022-04-25 | current |
| Airborne Maintenance & Engineering Services | Isolator Mount 007-04405-185 | 007-04405-185 | Boeing 737-400 | 2018-05-21 | current |
| Spirit Aerosystems INC | ISOLATOR MOUNT 65B50296-208 | 65B50296-208 | Boeing 747-100 SERIES, 747-100B SERIES,... | 2013-07-22 | current |
| Hamilton Sundstrand Corporation | Isolator Mount 5914461 | 5914461 | Rolls Royce Trent1000-A, Trent1000-C, Trent1000-D | 2010-05-18 | current |
| Hamilton Sundstrand Corporation | Isolator Mount 5914464 | 5914464 | Rolls Royce Trent1000-A, Trent1000-C, Trent1000-D | 2010-05-18 | current |
| Spirit Aerosystems INC | ISOLATOR MOUNT 65B50296-208 | 65B50296-208 | Boeing 747-100 SERIES, 747-100B SERIES,... | 2007-03-16 | current |
| Spirit Aerosystems INC | ISOLATOR MOUNT 65B50296-208 | 65B50296-208 | Boeing 747-100 SERIES, 747-100B SERIES,... | 2006-10-10 | current |
| Gemini Engineering | ISOLATOR MOUNT 65B50296-60 | 65B50296-60 | Boeing 747-100 Series, 747-100B Series,... | 2006-07-30 | current |
| Gemini Engineering | ISOLATOR MOUNT 65B50296-65 | 65B50296-65 | Boeing 747-100 Series, 747-100B Series,... | 2006-07-30 | current |
| Shur-Lok Corporation | Isolator-Mount BACS14K1 | Boeing BACS14K1 | Boeing 747-100, 200, 300 | 1998-06-24 | 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.