As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK - MAINTENANCE FOUND A .5" CRACK/PUNCTURE ON THE AIRSTAIR DOOR INNER SKIN AT THE DOOR SUPPORT CABLE BRACKET, FORWARD INBOARD CORNER. MAINTENANCE REMOVED & REPLACED THE AIRSTAIR DOOR INNER SKIN PANEL IAW BOMBARDIER DWG 85210003 AND SRM 51-42-05, 51-42-15, 51-40-07, 51-42-45, 51-25-00 & 51-25-05. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.