Direction Control
No failure report names the direction control. 11 FAA approvals let 4 companies make a replacement direction control, Woodward Hrt, INC holding the most (4).
Approved replacement parts 11 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a direction control and sell it as an approved part for the models named. These are the companies holding such approvals for a direction control:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Woodward Hrt, INC | Direction Control Unit P473A0001-02 | P473A0001-02 | Rolls-Royce... BR700-710D5-21 | 2020-08-26 | current |
| Woodward Hrt, INC | Direction Control Valve P537A0001-01 | 601C3103-003 | General Electric Company CF34-10E2A1, CF34-10E5A1, CF34-10E5 | 2019-07-17 | current |
| Woodward Hrt, INC | Direction Control Unit P464A0001-02 | P464A0001-02 | Rolls-Royce... BR700-710A1-10, BR700-710C4-11 | 2019-05-30 | current |
| Woodward Hrt, INC | Direction Control Unit P473A0001-02 | P473A0001-02 | Rolls-Royce... BR700-710A2-20 | 2019-05-30 | current |
| Woodward Hrt - Duarte | Direction Control Unit P464A0001-02 | P464A0001-02 | Rolls-Royce... BR700-710A1-10, BR700-710C4-11 | 2019-05-30 | current |
| Woodward Hrt - Duarte | Direction Control Unit P473A0001-02 | P473A0001-02 | Rolls-Royce... BR700-710A2-20 | 2019-05-30 | current |
| Woodward Hrt INC | Direction Control Unit P464A0001-02 | P464A0001-02 | Rolls Royce BR700-710A1-10, BR700-710C4-11 | 2013-04-15 | current |
| Woodward Hrt INC | Direction Control Unit P473A0001-02 | P473A0001-02 | Rolls Royce BR700-710A2-20 | 2013-04-15 | current |
| Woodward Hrt INC | Direction Control Valve P537A0001-01 | 601C3103-003 | GE Company CF34-10E2A1, CF34-10E5A1, CF34-10E5 | 2013-04-15 | current |
| Ge Aviation LLC (Formerly Smiths Aerospace) | Direction Control Valve P537A0001-01 | 601C3103-003 | GE Company CF34-10E2A1, CF34-10E5A1, CF34-10E5 | 2012-11-08 | current |
| Ge Aviation LLC (Formerly Smiths Aerospace) | Direction Control Valve P537A0001-01 | 601C3103-003 | General Electric CF34-10E5A1 CF34-10E5 CF34-10E6A1 CF34-10E6 | 2008-09-11 | 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.