What was found
DURING A SCHEUDLED INSPECTION AT AERO CORP, CORROSION WAS FOUND IN THE AFT CARGO PIT CABIN FLOOR BEAM AT STA 996 AT BL 34R. REMOVED CORROSION IAW DC9 SRM 51-10-2. FOUND TO BE OUT OF LIMITS AT LBL 31, 38, 40, 45, AT STA 980 IAW DC9 SRM 53-05 FIG 20A, 50 PERCENT MATERIAL LOSS. FABBED FLOOR BEAM REPAIR ANGLE WITH 7075T6511. DIMENSIONS 26.50 INCHES BY 1 INCH BY 1 INCH, UPPER FLANGE .156 INCH, LOWER .125 INCH IAW DC9 SRM 53-05 PG 31. FABBED FILLER WITH 7075T6.100. DIMENSIONS 17 INCHES BY .8750 INCH AND SHIM WITH 301.FH.025 INCH STAINLESS STEEL IAW DC9 SRM 53-05 PG 31. MACHINE TAPERED REPAIR ANGLE IAW DC9 SRM 53-05 FIG 20A. TREATED AND PRIMED REPAIR PARTS.