What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE FOUND FURTHER DAMAGE OF 2EA SKIN GOUGES ON THE CENTER FUSELAGE 3 INTERIOR SKIN FORWARD OF FR 89 DURING MAJOR REPAIR REF SDR R61A20110347 ON N/R VP-043827-2011/356 (FILED). MAINTENANCE PERFORMED MAJOR REPAIR IAW EMB ETD 2011-170-107290 & 2011-170-106885 REV B & EMB 170/175 SRM 51-23-04, 51-23-05 & 51-23-06. NO PARTS CHANGED. AIRCRAFT IS CURRENTLY OUT OF SERVICE FOR HEAVY CHECK COMPLETION.