What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK EXFOLIATION CORROSION WAS FOUND ON OUTBOARD EDGE OF STRINGER 28 R/H AT BS 364, BELOW FLOW CONTROL VALVE. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS ON STRINGER END CLIP, STR 28 R/H, BS 364; REMOVED DAMAGED STRINGER END CLIP; FABRICATED A NEW REPLACEMENT STRINGER END CLIP; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, PG. 3-4, 26, 29, & 38, FIG. 3, 4, & 8.