Control Bleed
No failure report names the control bleed. 3 FAA approvals let 2 companies make a replacement control bleed, Hamilton Standard Commercial, Aircraft Electronics INC 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 control bleed and sell it as an approved part for the models named. These are the companies holding such approvals for a control bleed:
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| United Technologies, Hamilton Sundstrand | Control Bleed Valve 822728-2-003 | 3052768-02 | Pratt & Whitney Canada PW535A | 2001-11-25 | current |
| Hamilton Standard Commercial, Aircraft Electronics INC | Control Bleed Valve Elec 815625-2-002 | Pratt & Whitney 8119724-02 | Pratt & Whitney Canada JT15D-5D6, JT15D-5D | 1996-07-08 | current |
| Hamilton Standard Commercial, Aircraft Electronics INC | Control Bleed Valve Elec 800831-2-001 | Pratt & Whitney 8041794-01 | Pratt & Whitney Canada JT15D-5A | 1996-07-08 | 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.