DETROIT -

Kwame Kilpatrick’s attorney has filed an official notice that he will appeal his conviction for racketeering and bribery.

The former Detroit mayor was sentenced earlier this month to 28 years in prison.

--Sketch by Jerry Lemenu

Read exact breakdown: Sentencing for each of Kwame Kilpatrick's convictions

The notice was filed Wednesday night.

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So far, the grounds for an appeal weren’t immediately released.

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Kilpatrick, 43, quit office in 2008 because of a different scandal involving sexually explicit text messages and an extramarital affair.