What was found
DURING HEAVY MAINTENANCE DENT EXTERNAL SKIN FR 96 TO FR 97 AT LEVEL STR23L LOWER FUSELAGE. PERFORMED PERMANENT REPAIR ON EXTERNAL SKIN BETWEEN FR96 TO FR97 AT LEVEL STGR 23L LOWER FUSELAGE, IAW E190 SRM 53-30-01, REPAIR 63, ITEM 5. DETAILED VISUAL INSPECTION IS REQUIRED IAW E190 SRM 53-30-01, REPAIR 63, ITEM 6. INSPECTION THRESHOLD INTERNAL SIDE (20,000 FC/ 26,600FH) WHICHEVER OCCURS FIRST, INTERVAL (10,000 FC/ 26,600 FH) WHICHEVER OCCURS FIRST INTERVAL ( 5,000 FC/ 6,650 FH) WHICHEVER OCCUS FIRST.