Flap Pulleys
No failure report names the flap pulleys. 2 FAA approvals let 1 company make a replacement flap pulleys, Commander-Aero, INC holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a flap pulleys and sell it as an approved part for the models named. These are the companies holding such approvals for a flap pulleys:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Commander-Aero, INC | Flap Pulleys Document No. GA-94-TC-2 | Modification Part | Twin Commander 500, 520, 560 Series 680 | 2011-01-02 | current |
| Commander-Aero, INC | Flap Pulleys Document No. GA-94-TC-2 | Modification Part | Twin Commander 500, 520, 560 Series 680 | 1999-12-01 | 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.