Safety issue
| Safety issue description |
The cabin altitude warning pressure switch maintenance manual wiring diagram did not provide a clear indication of the wiring connections for the superseded switch. |
|---|---|
| Issue number | AO-2009-044-SI-01 |
| Issue owner | Raytheon Aircraft Co |
| Transport function | Aircraft Maintenance |
| Date issue released | 21/09/2011 |
| Issue status justification |
Manufacturer had decided to change publication to reflect ATSB concerns. |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | AO-2009-044-NSA-091 |
| Organisation | Raytheon Aircraft Co |
| Action date | 21/09/2011 |
| Action description | A technical Publications Change Request (PCR) has been submitted to change the Beechcraft Electrical Wiring Diagram Manual, P/N 90-590012-15, Cabin Pressurisation diagram covering LJ-919 to identify the cabin altitude warning switch poles NO and NC as follows |
| ATSB response | The ATSB is satisfied that the action by the aircraft manufacturer will, when included in the maintenance manual wiring diagram, adequately address the safety issue. |
| Action status | Closed |