As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON THE FOURTH START OF THE DAY, THE NR 2 ENGINE WOULD NOT TURN OVER WHEN THE STARTER WAS ENGAGED. REMOVED THE STARTER, APPLIED TORQUE TO THE A AXIS DRIVE, COULD NOT ROTATE THE GEARBOX SECTION OF THE ENGINE. REMOVED AND REPLACED THE NR 2 ENGINE.