As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX WHEN QA INSPECTOR WAS EXITING THE AIRCRAFT THE STEP FAILED CAUSING DAMAGE TO THE STEP HINGE. REMOVED AND REPLACED RISER ASSY AND RISER COVER WITH NEW RISER AND RISER COVER IAW CE560XL.S MM S2-10-02 AND SRM 51-40-08. ALL OPS CHECKS OF DOOR AND STEPS GOOD AT THIS TIME.