As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C20 CHECK DISCOVERED FIBER DAMAGE ON THE LT SIDE OF RUDDER 18" FROM THE TRAILING EDGE. MAINTENANCE REMOVED DAMAGED PLIES IAW BOEING 737-300 SRM 51-70-04-0G R1 FIG 10. BONDED REPAIR PLIES TO REPAIR AREA ON THE LT SIDE OF RUDDER IAW BOEING 737-300 SRM 51-70-04-0G FIG 10.