What was found
DURING ROUTINE C-CHECK, FOUND EXTERNAL SKIN CORRODED AT BS 902.00- 910.000 LONGERON 19 - 21RT. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED DAMAGED AREA. PERFORMED NDT INSPECTION. NO DISCREPANCIES FOUND. FABRICATED NEW SKIN, REPAIR DOUBLER AND FILLER. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. INSTALLED REPAIR PARTS IAW SRM 51-1-8, SRM 53-2-0, NDT SPM PART 06-10-01-001, SRM 53-4-1, FIG 21E, ITEM "A", DPS 4.710 REV "L", SRM 51-1-4, DPS 3.69-4 REV "AP", SRM 51-1-8B, SRM 51-1-20D, AND SRM 51-3-1.