As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND LEVEL 2 CORROSION UNDER 3 EACH SCREW HOLES AT FRAME RBL 28 BETWEEN BS 955 TO BS 967. REMOVED FRAME ORDERED AND RECEIVED NEW FRAME (BEAM) DRILLED, DEBBARRD, TREATED PRIMED AND INSTALLED IAW B737-200 SRM 51-10-6 PAGE 12, 51-30-2 PAGE 3, AND B737 MM 51-21-51 PAGE 1. (M)