Safety issue
| Safety issue description |
The aircraft maintenance manuals did not include the operating specifications of the replacement cabin altitude warning pressure switch hampering the required verification of switch serviceabilty. |
|---|---|
| Issue number | AO-2009-044-SI-02 |
| Issue owner | Raytheon Aircraft Co |
| Transport function | Aircraft Maintenance |
| Date issue released | 21/09/2011 |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | AO-2009-044-NSA-075 |
| Organisation | Raytheon Aircraft Co |
| Action date | 21/09/2011 |
| Action description | In response to this occurrence, aircraft manufacturer advised that: The 101-384028-47 switch is a replacement for the 101-384028-3 switch and has the same pressure parameters as the -3 switch; 10,500+000/-500 feet. The Electrical Wiring Diagram parts listing will contain the following at the next revision “Order 101-384028-47 for spares.” |
| ATSB response | The ATSB is satisfied that the action by the aircraft manufacturer will, when implemented, adequately address the safety issue. |
| Action status | Closed |