As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION, FOUND BOTH LT AND RT HORIZONTAL STABILIZER'S LEADING EDGE (NOSE) RIBS CRACKED AND BROKEN LOOSE FROM STABILIZER SKIN. BROKEN RIBS ARE FOUND BY SQUEEZING LEADING EDGE AND LISTENING FOR SNAPPING NOISE PER CESSNA SNL-87-18. SUBMITTER STATED THIS HAS BEEN A PROBLEM ON MANY 210 AND 206 SERIES AIRCRAFT. INSTALLED NEW STYLE RIBS.