As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH HORIZONTAL STAB LEADING EDGE 331B; LE STA 198.25; RIB IS BUCKLED AT AFT RADIUS.<[01] REMOVED L/H HORZ STAB L/E 331B RIB IAW SRM 51-40-02-0G-0 AND DWG 186A1001 REV A VERIFIED PART USING P/N 654A0004-685 ATAG A285988 AND DWG 186A1001 REV A INSTALLED RIB IAW SRM 51-40-02-0G-0 AND IAW BOEING DWG 186A1001 REV A.