Standby Control
No failure report names the standby control. 4 FAA approvals let 3 companies make a replacement standby control, Ontic Engineering & Manufacturing INC holding the most (2).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a standby control and sell it as an approved part for the models named. These are the companies holding such approvals for a standby control:
For these models most: Boeing 737 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Honeywell International INC. | Standby Control Valve 3290206-1 | None Listed | The Boeing Company 737-100 Series, 737-200 Series,... | 2023-01-24 | current |
| Ontic Engineering & Manufacturing INC | Standby Control Pump 013231-015-01 | 726800 | Hamilton Standard Division 54H60 | 2007-05-14 | current |
| Ontic Engineering & Manufacturing INC | Standby Control Pump 013231-015-01 | 726800 | Hamilton Standard Division 54H60 | 2000-07-19 | current |
| Ontic Engineering & Mfg | Standby Control Pump 013231-015-01 | 726800 | Hamilton Standard Division 54H60 | 1997-06-16 | 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.