As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - Q1 - MAJOR REPAIR - LEVEL 2 INTERGRANULAR CORROSION ON LEFT HORIZONTAL STABILIZER REAR SPAR CHORD UPPER SURFACE BETWEEN STAB STA 70 TO STAB STA 239.80. REPAIRED LEFT HORIZONTAL STABILIZER REAR SPAR CHORD UPPER SURFACE BETWEEN STAB STA 70 TO STAB STA 239.80 IAW B737 SRM 55-10-13 REPAIR 3.