What was found
DURING THE STRUCTURE INSPECTION IT WAS FOUND THE STRINGER 21L WITH A SPOT CORROSION BETWEEN FRAME 88 AND 89. SINCE CORRODED AREA IS BEYOND OF THE ALLOWABLE LIMITS, CUSTOMER INTENDS TO PERFORM A REPAIR AS PER SRM 53-23-03 REPAIR 51P, HOWEVER, THE NEW STRINGER IS NOT AVAILABLE TO REPLACE THE DAMAGED SECTION. DUE TO IT, FOLLOWING THE REPAIR INSTRUCTIONS IAW ETD2025-190-902393 AND COOPESA ENGINEERING ORDER COO-EO-2025-21797 DTD FEB 24 2025