Safety issue
| Safety issue description |
High service time stage-2 LP turbine blades were susceptible to a reduction in fatigue endurance as a result of vibratory stresses sustained during operation at speeds close to the maximum. |
|---|---|
| Issue number | AO-2010-066-SI-01 |
| Issue owner | Rolls Royce |
| Transport function | Aviation: Air transport |
| Date issue released | 16/04/2012 |
| Issue status justification |
Will ultimately reduce the likelihood of LP2 blade failures. In the meantime, the risk of another complex failure is very low. |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | AO-2010-066-NSA-033 |
| Organisation | Rolls Royce |
| Action date | 16/04/2012 |
| Action description | The manufacturer is recommending that operators replace high service time stage-2 LP turbine blades. |
| ATSB response | Replacment of high time blades should reduce the likelihood of blade failure. |
| Action status | Closed |