As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION (2.0" X 0.4") AT LH SIDE HORI.STAB. REAR SPAR UPPER CHORD. CORROSION REMOVED LEVEL 1 AT HOR1 STAB REAR SPAR UPPER CHORD STAB STA116 FROM PN 65-50581-525 ORIGINAL THICKNESS 1.790" REMOVED 0.036" AND REMAINING THICKNESS IS 1.754" AND IS WITHIN LIMITS PER SRM DAMAGE 1 55-10-10 ALLOWABLE R134, AREA CLEAN & PROTECTIVE I.A.W B737-300 SRM 51-10-02 P12-15, 51-20-01 P3-7 (REV 134)