What was found
ANGLE CRACKED IN CABIN AT UPPER CENTER TANK SKIN BS 663, RBL 45-48. NSTALLED REPAIR PARTS, ALL FUEL TANK FASTENERS INSTALLED AND CAP SEALED IAW EA 21-157-03578-WIP1. COMPLETED NDT INSP TO VERIFY THICKNESS OF APPLIED VAPOR BARRIER OVER REPAIRED AREA IAW AMM 28-11-00 FOUND THICKNESS WITHIN AMM LIMITS.