What was found
DURING AIRCRAFT C-CHECK, MAINTENANCE DISCOVERED CORROSION ON A SHEAR TIE LOCATED BETWEEN S38R AND S39R AT STATION 764. AFTER EVALUATION, THE DAMAGE WAS DETERMINED TO BE BEYOND ECONOMICAL REPAIR, WARRANTING REPLACEMENT. THE SHEAR TIE, P/N 140T2103-213, WAS UNAVAILABLE FOR PURCHASE AND A SPARES MATERIALS AGREEMENT LICENSE (SMAL) WAS OBTAINED FROM BOEING FOR APPROVAL TO FABRICATE THE PART. THIS ENGINEERING ORDER PROVIDES DETAILED INSTRUCTIONS TO FABRICATE A REPLACEMENT SHEAR TIE (FORMER) TO BE CONSUMED DURING THIS MAINTENANCE VISIT. FABRICATED AND INSTALLED SHEAR TIE PER ABX-REA-5330-64403-00