As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION A 18MM LONG CRACK WAS DISCOVERED ON THE LT 'A' FUSELAGE FRAME 2L. THE CRACK IS ON THE LOWER SKIN ONLY OF A DOUBLE SKIN ASSEMBLY. THE CRACK ORIGINATES FROM A BOLT HOLE, EXTENDS 9MM IN EACH DIRECTION FROM THE BOLT HOLE. THE BOLT IS USED FOR THE LOWER FORWARD ATTACHING SUPPORT FOR THE ECU (ENVIRONMENTAL CONTROL UNIT)