As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REMOVAL OF FLOOR SUPPORT CHANNEL AT STA 717 LBL 19 WHILE WORKING N/R 182637 FOUND CORROSION AT MATING SURFACE OF HORIZ FLANGE LWR SURFACE EXISTING REPAIR ANGLE ON FLOORBEAM. REMOVED AND REPLACED REPAIR ANGLES AND FILLER REF SRM 53-00-51 REPAIR 5 PG 201 FIG 201. (DL75E103154)