As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT RH HORIZONTAL STABILIZER TRAILING EDGE BEAM UPPER SURFACE AT STAB STA 223. CORROSION REMOVED & CONDITION CHECK. THE BLEND-OUT DEPTH IS 0.048 ' INCH. WERE OVER LIMIT. MADE REPAIR DOUBLER TO INSTALL WITH REPAIR WASHER & SEALANT PER B737-300 SRM 51-10-02 PARA 14, 55-10-13 FIG 101, 55-10-13 REPAR 3 FIG 201 SH 7/9 (R136).