What was found
VERTICAL STAB RT SIDE 6" BELOW RIB 21 TO RIB 1 HAS CORROSION ON REAR CHORD SPAR CHORD FLANGE IN FASTERNER HOLES, AROUND FASTERNER HOLE AREA EXTENDING TO STAB SKIN AS MARKED. REMOVED NUPLATES IAW A310-200 SRM 51-40-21. REMOVED CORROSION IAW A310-200 SRM 51-74-10. CHECKED LIMITS IAW A310-200 SRM 55-30-00 TABLE 101. ALL AREAS ARE IN LIMITS EXCEPT FOR HOLE NR 15,18, 25 IAW SRM 55-30-00. HOLES 15,18 25 ARE IN LIMITS IAW OE-345-03-05-023. TREATED, PRIMED TOP COATED IAW SRM 51-23-20 51-75-10. REINSTALLED NUT PLATES IAW A310-200 SRM 51-40-21. COMPLIED WITH EA6-5510-87215.