As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - "C" - DURING INSPECTION CORROSION WAS FOUND ON FRAME BS 947 BETWEEN STR 27R AND 27L. MAINTENANCE REMOVED CORROSION FROM FRAME BS 947 AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS. DAMAGED SECTION OF FRAME WAS REMOVED AND A -1 REPAIR SHEAR TIE AND FILLER WERE FABRICATED AND INSTALLED IAW B737-300 SRM 53-00-07, PG 222-224.