What was found
CA 1464/193 CORROSION AT R/H SIDE HORIZONTAL STABILIZER REAR SPAR UPPER SURFACE AT STAB STA 143 (1.0" X 0.4" IN AREA). ALL CORROSION REMOVED AT RH HORIZONTAL STABILIZER REAR SPAR UPPER SURFACE AT STAB STA 143 (1.0" X 0.4" IN AREA). REMOVED 0.020" AND REMAINING 0.730" IS WITHIN ALLOWABLE LIMIT. AREA CLEAN AND PROTECTIVE IAW B737-300 SRM 51-10-2, 51-20-01 AND 55-10-10 ALLOWABLE DAMAGE 1 FIG 101 (R130).