Power Monitor
No failure report names the power monitor. 3 FAA approvals let 2 companies make a replacement power monitor, United Technologies, Hamilton Sundstrand 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 power monitor and sell it as an approved part for the models named. These are the companies holding such approvals for a power monitor:
For these models most: Mcdonnell Douglas DC-9 (2), Sikorsky S-61 (1), Mcdonnell Douglas Aircraft Co MD-88 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| United Technologies, Hamilton Sundstrand | Power Monitor Unknown | 65550-110781-0042017-101 | Sikorsky S-61N (T.C. 1H15) | 1992-12-31 | current |
| United Technologies, Hamilton Sundstrand | Power Monitor 10835-2-1 | 7917794 | McDonnell Douglas DC-9 (T.C. A6WE) | 1992-12-31 | current |
| Logitek INC, A Division of North Atlantic Industries | Power Monitor 100-494 | McDonnell Douglas DC-9-81, -82, -83 | 1991-12-10 | 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.