Safety issue
| Safety issue description |
The eddy current inspection used on VH-TZJ, and other M18 aircraft, had not been approved by the Civil Aviation Safety Authority as an alternate means of compliance to airworthiness directive AD/PZL/5. This exposed those aircraft to an inspection method that was potentially ineffective at detecting cracks in the wing attachment fittings. |
|---|---|
| Issue number | AO-2013-187-SI-03 |
| Issue owner | Aviation NDT Services Pty Ltd |
| Transport function | Aviation: General aviation |
| Date issue released | 15/02/2016 |
| Issue status justification |
The ATSB is satisfied that the actions taken by CASA address the safety risk associated with this issue. |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | AO-2013-187-NSA-050 |
| Organisation | Civil Aviation Safety Authority |
| Action date | 15/02/2016 |
| Action description |
On 15 November 2013, the Civil Aviation Safety Authority (CASA) issued an amendment to airworthiness directive AD/PZL/5, revoking the approval for the eddy current procedure to be used for M18 wing joint inspections. It also added a 100‑hourly visual inspection, and additional wing-off inspections in M18 aircraft every 2,500 hours. CASA also issued a direction to all registered operators of M18 aircraft in Australia that the aircraft could be flown after compliance with the amended AD. On 22 November 2013, CASA issued AD/PZL/5 Amendment 2, to additionally require:
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| Action status | Closed |