As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE SHUT DOWN WHEN DOING THE SPEEDBRAKE CHECK. - PERFORMED ENGINE GROUND RUN, EXTENDED SPEED BRAKES SEVERAL TIMES WITH NO DEFECTS TO ENGINES. PERFORMED RAPID DECELERATION OF THE THROTTLES WITH NO DEFECTS ON ENGINES. CYCLED T/R, MOVED FLAPS AND CYCLED SPEED BRAKES WITH NO DEFECTS ON ENGINES PERFORMED SPEED BRAKE TEST IAW 560 AMM 27-61-00. OPS CHECKS GOOD AT THIS TIME REMOVED RT LOWER COWL, CHECKED STATIC RIG OF FUEL CONTROL. NO DEFECTS NOTED. COULD NOT DUPLICATE DISCREPANCY AT THIS TIME.