As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ANNUAL INSPECTION FOUND THE RT HORIZONTAL STABILIZER INBOARD LEADING EDGE RIB CRACKED. DETECTED CRACK DUE TO EXCESSIVE SKIN PLAY AT RIB AND A WORKING FASTNER. CONFIRMED CRACK USING A BORESCOPE. DISASSEMBLED THE EMPENNAGE ENOUGH TO FACILITATE RIB REPLACEMENT.