As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C13 CHECK DISCOVERED REVEAL STRIP CORRODED AT BS 794 AND FROM STR 24R TO STR 25R. MAINTENANCE REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW BOEING 737-300 SRM 53-60-15-1A1 FIG 101. REMOVED REVEAL STRIP IAW BOEING 737-300 SRM 51-40-02-0G FIG 10. FABRICATED NEW REVEAL STRIP IAW BOEING 737-300 SRM 51-30-01-0G FIG 7 AND DWG 65-56654. INSTALLED FABBED PARTS AT BS 794 AND FROM STR 24R TO STR 25R IAW BOEING 737-300 SRM 51-40-02-0G.