What was found
MAIN CARGO COMPARTMENT FLOORBEAM UPPER CHORD HAS CORROSION BS 345 BLENDED UPPER CHORD STA 345 IAW SRM 51-10-02, ORIGINAL MATERIAL .125 AFTER REWORK .106 OUT OF LIMITS IAW SRM 53-00-51, FIG 101, DETAIL III. EXCEEDS MAX MAT LOSS OF 10 PERCENT OF ORIGINAL MAT. REMOVED UPPER CHORD STA 345 IAW SRM 51-40-02. FABBED REPLACEMENT T-CHORD FROM BAC1505-100880, REPAIR ANGLES ON TRAVELER T10/857514 AND REPAIR STRAPS ON TRAVELER T10/857515 IAW SRM 53-00-51, FIG 201, TABLE I. INSTALLED REPAIR PARTS. THIS IS A MAJOR REPAIR.