As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEAR FOUND AT RIB FIXED LEADING EDGE (FRONT VERTICAL STABILIZER RIB MATTING SURFACE TO THE VERTICAL FIN, 321A, AFT SEAL). REMOVED AND REPLACED FRONT VERTICAL STABILIZER RIB FIXED LEADING EDGE IN REF TO B737 SRM 51-40-02-0G-0 AND 176A3001.