As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INT - DURING Q-1 CHECK VISUAL INSPECTION, FOUND CORROSION .5 INCH BY 6 INCH AT STATION 947.5 FLOOR BEAM. REPAIRED T-CAP, DOUBLERS AND REPAIR ANGLES. REPAIRED PER TR 53-10-05C. SUBMITTER STATES, CORROSION ATTRIBUTED TO CHEMICAL SPILL. CORROSION TASK NR C53-107-02, CORROSION LEVEL 1. (M)