What was found
3563 - PWM - WHEN THRUST LEVERS ARE ADVANCED SPEED BRAKE LEVER DISAGREE MESSAGE IS DISPLAYED. MAINTENANCE REMOVED AND REPLACED SPOILER CONTROL UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
3563 - PWM - WHEN THRUST LEVERS ARE ADVANCED SPEED BRAKE LEVER DISAGREE MESSAGE IS DISPLAYED. MAINTENANCE REMOVED AND REPLACED SPOILER CONTROL UNIT.