What was found
A/C IN "C" CHECK, AFT CARGO COMPT FRAME AT STA 950C IS CORRODED AT BOTTOM BETWEEN STR 29L-28L. REPLACED DAMAGED SHEAR TIE AT BS 950C BETWEEN STR 29L-28L. FABRICATED NEW PART 7075-0 .080 PO NR 9002619 IAW B727 SRM 53-10-4 FIG 15 AND 53-10-2 FIG 5. HEAT TREATED IAW B727 SRM 51-10-3 AND FAS0115. TREATED, PRIMED AND INSTALLED IAW B727 SRM 51-10-2 & 51-30-2, SRM 53-10-4 FIG 15 DIMENSION OF NEW PART 2" BY 6".