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-18 CHECK A .0625 INCH CRACK WAS FOUND COMING FROM FASTENER HOLE ON FUSELAGE SKIN AT BS 958, STR 16-17 LT, WL 215. MAINTENANCE REMOVED FASTENER AND PERFORMED HFEC INSPECTION TO VERIFY CRACK END, STOP DRILLED CRACK AND RE-ACCOMPLISHED HFEC TO VERIFY CRACK WAS CONTAINED; INSTALLED HOLE FILLER IN SKIN; FABRICATED A DOUBLER & TRIPLER; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-60-01 FIG 203 PG 205-207.