What was found
LEFT HORIZONTAL STABILIZER FIXED LEADING EDGE, ZONE 330 (FWD SPAR) UPPER LIP UPPER SECTION APPROX STA 158 RIB 5, 4 EA AREAS 1.0 INCH L ,(.200 INCH W AREA 2 & 3 AS MARKED), (.100 INCH W AREA 1 & 4 AS MARKED). UNABLE TO DETERMINE DEPTH WITHOUT BLENDOUT, CORROSION AT THIS TIME MEETS LEVEL 1 CORROSION, WITHOUT MATERIAL AND SURFACE PROTECTION REMOVAL. CHORD FLANGE, BLENDED CORROSION IAW SRM 51-74-10 & FOUND UPPER T-CHORD OUT OF LIMITS. CUT & REMOVED DAMAGED SECTION OF UPPER TEE CHORD IAW A310 SRM 55-11-21, PARA 6(E) 2 FIG 205 & 210. APPLIED ALODINE AND PRIMER & TOP COAT TO ALL REPAIR SURFACES IAW A310 SRM 51-21-00 & 51-23-00. INSTALLED REPAIR IAW A310 SRM 55-11-21 FIG 205 & 210.