As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MINOR REPAIR - DURING C-18 CHECK A 1.25 INCH CRACK WAS FOUND ON ANGLE AT RT WING INBOARD UPPER TRAILING EDGE PANEL, JUST INBOARD OF NR 5 SPOILER AT WBL 71.24. MAINTENANCE STOP DRILLED CRACK ON ANGLE AT RT WING INBOARD UPPER TRAILING EDGE PANEL WBL 71.24; FABRICATED A REPAIR ANGLE PER DWG 65-68270; INSTALLED REPAIR PART IAW B737-300 SRM 51-70-11 FIG 1 PG 1-5.