What was found
DURING ROUTINE C CHECK INSPECTION, FOUND LEFT FUSELAGE SKIN FORWARD OF FLAT AFT PRESSURE BULKHEAD HAS IMPROPER REPAIR AT LONGERON 28. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED EXISTING REPAIR. REMOVED DAMAGED AREA. FABRICATED NEW SKIN, EXTERNAL, EXTERNAL DOUBLE, FINGER DOUBLERS, AND FILLERS. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW SRM 51-1-21, SM 51-1-20D, SRM 53-5-3, SRM 51-1-8B, SRM 51-3-0, SRM 51-1-11, SRM 51-3-1, AD 2008-06-23, SB DC8-53A080 IR DATED 06/22/04, SERVICE REWORK DRAWING SR08530032, EO NR 2009303, AND DRAWING ED-4924,