As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION A CRACK WAS FOUND IN THE AIR-STAIR DOOR FRAME LOWER AFT AREA. CRACK ORIGINATED AT THE HING PIN RETAINER SCREWHOLE AND EXTENDED FORWARD APPROX. 10 INCHES THRU THE HINGE UPPER RIVET ROW. AFTER REMOVING THE HINGE, THE SKIN WAS FOUND CRACKED ALSO.