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 BS 663 LT A/C 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 PER 737 NDT MANUAL PART 6; 51-00-00 FIG. 16. NO FAULTS FOUND. LOCATED AND DRILLED NEW BS 663 VAPOR BARRIER ATTACHED ANGLE IAW SRM 51-40-05. REMOVED AND REPLACED L/H VAPOR BARRIER ATTACH ANGLE IAW SRM 51-40-02; SRM 57-10-10-2R-5 AND EA# 24-157-02340.