A guide rod is attached to the metal bellows disc for a smooth movement of the bellows.

Corrosion can have a lot of causes.

If the radio signal is not clear, readjust the frequency.

Put the airplane back to its usual condition.

Remove the safety tag and close this circuit breaker.

Do not use acids without breathing protection.

Install the cable from the rear side of the computer.

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.