What was found
BS 663, FWD OF LT A/C BAY, APPROXIMATE LBL 9, VAPOR BARRIER ATTACH ANGLE IS CRACKED AT FIRST FASTENER INBD OF THE SILICONIZED FLEX SEAL. HFEC VERIFIED. REMOVED THE BAY VAPOR BARRIER ATTACH ANGLE IAW SRM 57-10-10-2R-5, AND SRM 51-40-02. COMPLIED WITH NDT OF HOLES COMMON TO FUEL TANK UPPER ATTACH ANGLE IAW NDT MANUAL, PART 6, 51-00-00, FIG 16. NO FAULTS FOUND. LOCATED AND DRILLED A NEW VAPOR BARRIER ATTACHED ANGLE IAW SRM 51-40-05. RII INSPECTED WORK ACCOMPLISHED. INSTALLED EXTERNAL VERTICAL FASTENERS COMMON TO RT SIDE BS.663 VAPOR BARRIER ATTACH ANGLE IAW SRM 51-40-02.