As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCD STOP GUIDE (BUMPER) HAS A SMALL CRACK. REMOVED THE MCD STOP GUIDE REF Q400 AMM 52-11-11-000-801 STEP 3I INSTALLED A NEW FROM STOCK BUMPER REF Q400 AMM 52-11-11-400-801 STEP 4I. BUMPER REMAINS SERVICEABLE AFTER 10 CYCLES OF OPENING/CLOSING DOOR HANDLE.