What was found
SPEED BRAKE TAKEOFF WARNING SWITCH WORN/BROKEN. SWITCH NOT MAKING CONTACT WHEN SPEED BRAKE ARMED, CAUSING A FALSE TAKEOFF WARNING TO SOUND WHEN THROTTLES ARE ADVANCED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SPEED BRAKE TAKEOFF WARNING SWITCH WORN/BROKEN. SWITCH NOT MAKING CONTACT WHEN SPEED BRAKE ARMED, CAUSING A FALSE TAKEOFF WARNING TO SOUND WHEN THROTTLES ARE ADVANCED.