What was found
KEELBEAM BS 1060-1072 LBL5 AND FASTENERS CORRODED AT SEVERAL SPOTS. R & R NEW FASTENERS AND STIFFENERS, PN 70016533830001, BS 1060-1072, LBL5-RBL5 IAW DWG 149N8110 AND SRM 51-40-02. REMOVED CORROSION FROM STIFFENER IAW SRM 53-40-12, ORIGINAL MATERIAL THICKNESS IS .435" MECHANICALLY MEASURED MATERIAL LOSS FOUND TO BE .055, MAX ALLOWABLE IS .043 IAW SRM 53-40-12, ALLOWABLE DAMAGE 1, FIG 101, FOUND TO BE OUT OF LIMITS FABRICATED NEW STIFFENER LOCATED AND DRILLED AND INSTALLED AT BS 1060-1072/LBL5 IAW SRM 51-40-02, PAGE 2. CORROSION ON STIFFENER FOUND DURING CORROSION REMOVEL ON KEEL BEAM, REMOVED CORROSION FROM KEELBEAM AT BS 1060-1072, LBL5 IAW SRM 53-40-12, FIG 101 ORIGINAL MATERIAL THK .250 MAT REMOVED FROM 2 EA AREAS, L=5.5 X W=1.4 D=.025 AND L=2.3 W=1.4 D= .011 FOUND 2 EA AREA TO BE IN LIMITS IAW SRM 53-40-12, FIG 101.