What was found
AFT CABIN FLOORBEAM UPPER TEE FLANGE CORRODED IN NUMEROUS AREAS BS 1640 RBL 0 TO RBL 63. BLENDED AREAS AND FOUND THE MATERIAL REMOVAL TO BE .059" DEEP. THIS IS OUT OF LIMITS IAW 53-00-51. REMOVED STRUCTURE AND AIR STATIC SENSE LINE RT SIDE, STA 1610-1650 FOR ACCESS IAW SRM 51-40 -02 & AMM 20-11-00. CUT & REMOVED UPPER CORD, FABRICATED REPAIR PARTS FROM BAC1505-101624 7075T-6, & INSTALLED PARTS IAW EA 130897 & ECRA 5310-05586. REINSTALLED STRUCTURE & SENSE LINE IAW SRM 51-40-02 AND AMM 20-11-00. PERFORMED LOW LEVEL LEAK CK OF STATIC LINE AND PORT IAW AMM 24-11-00.