Extended Heavy
No failure report names the extended heavy. 2 FAA approvals let 1 company make a replacement extended heavy, Airframes Alaska 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 extended heavy and sell it as an approved part for the models named. These are the companies holding such approvals for a extended heavy:
For these models most: Maule MX-7 (2), Maule M-7 (2), Maule M-6 (2), Maule M-5 (2), Maule M-4 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Airframes Alaska | Extended Heavy Duty R/H Main Gear Assembly ABI-4022X-2 | Modification Part | Maule Aerospace... Bee Dee M-4, M-4, M-4C | 2014-04-28 | current |
| Airframes Alaska | Extended Heavy Duty L/H Main Gear Assembly ABI-4022X-1 | Modification Part | Maule Aerospace... Bee Dee M-4, M-4, M-4C | 2014-04-28 | 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.