A mom told Jeff Bezos that Amazon was underpaying her $90 a month, sparking an internal probe that found the company was shortchanging some workers, a report says

• An Amazon worker on leave emailed Jeff Bezos to say she’d been underpaid, The New York Times said.

• A subsequent investigation found that Amazon was systematically underpaying some workers on leave.

• A spokesperson told The Times that Amazon was still identifying underpaid workers.

An email sent to Jeff Bezos from an Amazon worker who was on leave triggered an internal investigation that exposed flaws with the company’s payroll system, The New…