What was found
DURING M-CHECK FOUND FLOORBEAM AT STA 345, BET BL 0 TO RBL 60 UPPER CHORD HAS CORROSION. REMOVED CORROSION IAW SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG 101, DETAIL IV. R & R UPPER CHORD IAW SRM 53-00-51, REPAIR 3 AND SRM 51-40-05. FABRICATED ANGLES AND STRAPS IAW SRM 53-00-51, REPAIR 3. REMOVED UPPER CHORD INTERCOSTAL AT STA 324 TO STA 345 RBL 24 TO GET ACCESS AND REINSTALLED IAW SRM 51-40-02. REMOVED 2EA PULLY 345 RBL 14 AND RBL29 AND REINSTALLED IAW SRM 51-40-02. RECIEVED 2 EA NEW ANGLES FABRICATED IAW DWG 141N5150 INSTALLED IAW SRM 51-40-02 & 51-40-05.