What was found
AIRCRAFT GROUNDED FOR SCHEDULED MAINTENANCE C CHECK VISIT. IN COMPLIANCE OF ATI 57-508-00-02 MAINTENANCE IDENTIFIED CORROSION IN THE BUTTSPLICE ON THE RIGHT WING UPPER EXTERIOR SURFACE JUST AFT OF THE #11 SLAT. W BOEING 767 -200 SRM 57-00-03, CORROSION OUT OF LIMITS-LEVEL 2. REMOVED DAMAGED AREA, SPLICED AND REPAIRED IAW BOEING 767-200 SRM 57-00-03 AND ENGINEERING ORDER-REA47481REA05.