As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C18 CHECK DISCOVERED SKIN CRACKED, 2.1 INCHES, AT BS 727E+8 AND STR 24L. MAINTENANCE DAMAGED AREA IN SKIN IAW BOEING 737-300 SRM 53-00-01-2R FIG 201. FABRICATED DOUBLER AND TRIPLER IAW BOEING 737-300 SRM 53-00-01-2R FIG 201. INSTALLED FABRICATED REPAIR PARTS AT BS 727E+8 AND STR 24L IAW BOEING 737-300 SRM 53-00-01-2R FIG 201.