The pump did not operate because the shaft was broken.

Remove the tag after troubleshooting.

If you find a crack, do the applicable repair procedure.

Do an inspection for damage caused by corrosion.

Measure the volume of the oil carefully.

Make sure that the nuts are tight.

There are three jacking points on the fuselage.

Make sure that the tension in the cables is correct.

Operate the engine at 100% thrust.

Slowly turn the vane.

Apply sealant on the outer surface.