Doubler Installation
No failure report names the doubler installation. 3 FAA approvals let 2 companies make a replacement doubler installation, Bell Helicopter Textron INC holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a doubler installation and sell it as an approved part for the models named. These are the companies holding such approvals for a doubler installation:
For these models most: Bell 505 (2), Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Airborne Maintenance & Engineering Services | Doubler Installation Cargo Mod (Installation) 007-00100-9 | 007-00100-9 | Boeing 737-200/300 | 2022-07-11 | current |
| Bell Helicopter Textron INC | FWD Doubler Installation Kit 505-016-901 | 505-016-901 | Bell Helicopter... 505 | 2017-09-04 | current |
| Bell Helicopter Textron INC | Aft Doubler Installation Kit 505-016-903 | 505-016-903 | Bell Helicopter... 505 | 2017-09-04 | 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.