What was found
MAIN CABIN COURIER AREA, STA 346 ALONG TOP SIDE HAS SEVERAL AREAS OF BARE METAL AND CORROSION ON PREVIOSLY BLENDED AREA OF BEAM. PREVIOUS BLEND OUT ON FLOOR BEAM UPPER CHORD AT MAIN CABIN STA 344-346 BETWEEN LBL 7 - LBL 21, AFTER EVALUATION FOUND OUT OF LIMITS IAW B 757 SRM 53-00-51-1A FIG 101 DETAIL III: PERFORMED REPAIR ON UPPER CHORD OF THE FLOOR BEAM AT STA 345 BETWEEN LBL 52 TO RBL 34.250 IAW B 757 SRM 53-00-51-2R FIG 201 REP. #10. THIS IS MAJOR REPAIR.