Preservation / De preservation
Rotax : 912 ULS , Engine Serial No. 9144357 and Engine Serial No. 9144356
The Rotax engines were Installed on Bathawk Microlight and was in service till 15.09.2023 .
On 15.09.2023 both engines were preserved for storage and de preservation was carried out on 28.04.2025 and ground run was carried out performance found satisfactory.
Since the storage period has exceeded one year during preservation – we propose to carry out the following tasks to put the engine back in service.
- Borescope inspection of all cylinders on both engines to inspect the internal condition of engine for any corrosion.
- Gear box will be removed to check for corrosion on gear set / prop shaft and clutch assembly for corrosion on both engines
- Oil and oil filter will be replaced
- Additionally 100 hours inspection will be carried on the engines.
- The above maintenance tasks will be carried out by Qualified Aircraft Maintenance engineer
Kindly confirm the above tasks are adequate to put the engine back to service.