What was found
DURING HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS AT STA 440 BL 0 FLOORBEAM ON TOP SURFACE. REMOVED UPPER T-CAP PORTION OF FLOORBEAM FROM BL 15 IAW B727 SRM 53-10-08. FABRICATED 2 ANGLES FROM BAC14902183 AND BAC14902831, 2 STRAPS FROM BAC15123396 AND BAC15123353 AND 1 T-CAP FROM BAC1505100617 IAW B727 SRM 53-10-08. TREATED AND PRIMED IAW B727 SRM 51-10-02 AND MM 51-20-02. INSTALLED IAW B727 SRM 53-10-08 AND 51-30-02.