As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH ENGINE FAILED TO START. NO ROTATION WHEN START WAS SELECTED. REMOVED AIR STARTER FROM RH ENGINE, FOUND METAL DEBRIS INSIDE THE STARTER. STARTER GEARSHAFT FOUND SHEARED. REMOVED AND REPLACED STARTER AND STARTER DRIVE GEARSHAFT IAW AMM 42-61-03-040-11 AND 80-11-01 OPS CHECK LEAK CHECK GOOD.