What was found
DURING ROUTINE C-CHECK INSPECTION, A CRACK WAS FOUND ON AN INTERNAL REPAIR DOUBLER BETWEEN FUSELAGE STATION 1160 AND 1680, LONGERON 27 AND 28 RIGHT. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED AREA, FABRICATION AND INSTALLATION OF NEW REPAIR DOUBLER IN ACCORDANCE WITH DER APPROVED DRAWING 853-206-97 AND ENGINEERING ORDER 53-DC8-720.