What was found
DURING C-CHECK INSPECTION DISCOVERED CORROSION ON THE CANTER BULKHEAD AROUND THE APU FUEL FEED CUTOUT AT BS 1241 BETWEEN BL 0.00 AND 11.33. REPAIRED BY TRIMMING OUT THE SLOPING CANTER PRESSURE DECK WEB BETWEEN BL 0.0 AND RBL 15, FABRICATING AND INSTALLING A REPAIR WEB SECTION SPLICED IN PLACE WITH DOUBLERS AND FILLERS. REPAIRED IAW EVERGREEN AIR CENTER, ENGINEERING CHANGE/REPAIR AUTHORIZATION NR N303TW-53-009-EAC. (M)