As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAJOR INSPECTION, FOUND FRAME WAS CRACKED ACROSS UPPER FLANGE AND 3.2 INCHES DOWN VERTICAL FLANGE R.H.F.S. 118. DURING REMOVAL OF DAMAGE, 6 MS20470ADS RIVETS WERE FOUND LOOSE whICH PERMITTED UPPER FLANGE TO CHAFE. CRACK DID NOT START OR CROSS CHAFED AREA. CAUSE UNKNOWN.