What was found
LEFT HORIZONTAL STABILIZER HAS A SPOT OF CORRORSION ON UPPER SURFACE AT HSBL 264. BLENDED AREA OF CORROSION ON UPPER SURFACE AT HSBL 24 IAW SRM 51-10- 00. REPAIRED SKIN BLENDOUT IAW REA B655-60721-MR. CLOSED ACCESS PANELS IAW SRM 51-40-02, PAR 7. LEVEL 2 CORROSION, PN: 182T3200-1, SKIN, RS STA 251 TO RS STA 251 L/E. ACFT WAS GROUNDED.