As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND OUT OF ALLOWABLE DAMAGE LIMITS AT FLOOR BEAM STA 312 UPPER SURFACE LBL 46. (REF. TTG8Q00PN8PX STEP 3)<[01] ACCOMPLISHED UPPER CHORD FLOOR BEAM REPAIR AT MAIN CABIN STA 312 BETWEEN LBL-39 TO LBL-52 REF USED B737-700 SRM 53-10-51-2R-15 STEP 4.L THRU N;[02] VERIFIED; STEP # 1. ACCOMPLISHED REPAIR