As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C19 CHECK DISCOVERED CORROSION ON BS 1006 BEAM AT SCREW LOCATED AT BL 10L. CORROSION WAS REMOVED AND FOUND TO BE OUT OF LIMITS IAW BOEING 737-300 SRM 53-60-51-1A1 FIG 101. MAINTENANCE FABRICATED REPAIR STRAP AND INSTALLED AT BS 1006 BEAM AT BL 10L IAW BOEING 737-300 SRM 53-00-51-2R3.