Heat Duct
0 failure reports named the heat duct in the last ten years, 5 since 1996. 2 FAA approvals let 1 company make a replacement heat duct, Keystone Helicopter Corporation holding the most (2).
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1996 | 1 |
| 1997 | 2 |
| 1999 | 2 |
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a heat duct and sell it as an approved part for the models named. These are the companies holding such approvals for a heat duct:
For these models most: Sikorsky S-76 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Keystone Helicopter Corporation | Heat Duct Guard 33776-57593 | 33776-57593 | Sikorsky S76C | 2001-06-10 | current |
| Keystone Helicopter Corporation | Heat duct 33776-54875 | 33776-54875 | Sikorsky S76B, S76C | 2001-06-10 | 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.