What was found
RT HORIZONTAL STAB REAR SPAR WEB HAS AN AREA OF CORROSION BELOW PANEL 342 EZ BEYOND SRM LIMITS. REMOVED CORROSION IAW SRM 51-21-42, REV 77. MEASURED AFFECTED AREA MIN MATERIAL REMAINING .037" REF NTM 51-40-00 REV 34. CONFIRMED CRACK FREE CONDITION REF NTM 51-60-00 REV 34. MATERIAL LOSS OUT OF LIMITS IAW SRM 55-11-00, FIG 301 REV 77. TREATED AND PAINTED IAW SRI DO/TS-4073/10-13920 ISSUE A STEP 6. FOR FINAL APPROVAL REF SRAS DO/TS-4073/10. 5923 ISSUE A DATED 8/6/10.