As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK EXFOLIATION CORROSION WAS FOUND ON SPAR CHORD, FORWARD SIDE OF BS 1016, BETWEEN STR 26 L/H AND 27 L/H. MAINTENANCE REMOVED CORROSION ON FRAME SPLICE ANGLE AND FOUND MATERIAL LOSS OUT OF LIMITS. REMOVED DAMAGED FRAME SPLICE ANGLE AND 2 EACH STRINGER CLIPS; FABRICATED A NEW FRAME SPLICE ANGLE; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-20-01, PG. 10 & 47, SRM 51-40-02, PG. 3-4.