What was found
DURING HEAVY CHECK INSPECTIONS OF INTERNAL FUSELAGE, BELLY SKIN, CORROSION FOUND ON INTERCOSTAL X2 ANGLE BETWEEN FR86 RT AND FR 87 RT BETWEEN STR 28 RT AND STR 27 RT. REMOVED AND REPLACED IAW SRM 51-41-01, AND SRM 51-41-02. REV 45. CORROSION LEVEL 2.