As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H HORIZ STAB #4 INSPAR RIB STAB STA. 120.30 HAS CRACKS ON #3 AND #4 VERTICAL STIFFENRES. (2 CRACKS TOTAL) VERIFIED VIA HFEC NDT PART 6 51-00-00 PROCEDURE 23. / L/H HORIZONTAL STAB #4 IN SPAR RIB; STAB STA 120.30 REMOVED RIB REPAIRED #3 AND #4 VERTICAL STIFFENERS; AND REINSTALLED RIB I/A/W SRM 55-10-09-2R-4; AND BOEING DWG 182A5304 REV B.