What was found
DURING C-CHECK INSPECTION, (SB 737-55-1028) OF THE FIN ATTACHMENT FITTINGS, CORROSION WAS FOUNDON FIVE OF EIGHT ATTACHMENT LUGS. THE CORROSION WAS FOUND ON THE RT OUTBOARD AFT LUG, AFT FACE, RT OUTBOARD FORWARD LUG, FORWARD FACE, RT INBOARD AFT LUG, AFT FACE LEFT OUTBOARD AFT LUG, AFT FACE AND THE LT OUTBOARD FORWARD LUG FORWARD FACE. REPAIRED LUGS IAW SPAR MPP B737-VAG-00-53-009. LEVEL 2 CORROSION, NO CORROSION ALLOWED PER SB. (M)