What was found
DURING ROUTINE C-CHECK INSPECTION, THE WEB SUPPORT ANGLE ON REAR SPAR UPPER CHORD WAS FOUND TO BE CORRODED AT STATION 857. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED ANGLE, FABRICATION AND INSTALLATION OF TWO REPAIR ANGLES IN ACCORDANCE WITH DER APPROVED DRAWING 857-222-97 AND ENGINEERING ORDER 57-DC8-737.