As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C24 CHECK DISCOVERED LEVEL 2 CORROSION ON FRAME AT BS 1006 AND BL 0. MAINTENANCE REMOVED DAMAGE FROM FRAME AT BS 1006 IAW BOEING 737-300 SRM 53-00-07-2R5. FABRICATED DOUBLER AND FILLER IAW BOEING 737-300 SRM 53-00-07-2R5. INSTALLED FABRICATED REPAIR PARTS ON FRAME AT BS 1006 AND BL 0 IAW BOEING 737-300 SRM 53-00-07-2R5.