What was found
CORROSION ON TRACK AT AFT CARGO BAY RBL13 BS727+10 - BS727B; BS727D; BS787; BS787+12. / [01] REMOVED MULTIPLE CORROSION AREAS ON THE TIE DOWN TRACK FROM BS 727+10 - BS787+12 RBL 13 IAW SRM 51-10-02. MAX. MATERIAL REMOVED IN AREA OF 1.3'X0.9'X0.04'DEPTH FROM AN ORIGINAL THICHNESS 0'071' . REMIANING THICHNESS 0.031' ( OR 56% MATERIAL REMOVED) WHICH IS OUT OF LIMITS IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2. THE STRUCTURAL ITEM WILL BE REPAIRED BY REPLACEMENT FROM BS 727+4 - BS 867 PER SRM 53-00-53-2R-3 REPAIR 3 AND PER DWG#146A7500 ON CUSTOMER CARD# 727855 FUSELAGE 5170 OR TTG8Q00DQ58Z;[02] CORRECTIVE ITEM 1 ABOVE. SHOULD BE ON CUSTOMER CARD# 727855 FUSELAGE 5174 OR TTG8Q00DQ58Z;[03] VERIFIED AFT CARGO TIE-DOWN TRACK AT RBL13 WILL BE REPLACED ON FAULT #TTG8Q00DQ58Z- NO FURTHER ACTION REQUIRED.