As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C, CORROSION C57-562-02-1B, L/W FWD UPPER SPAR CHORD ON HORIZONTAL FLANGE AT NR 4 SLAT ACTUATOR O/B MOUNT ANGLE. CORROSION OUT OF LIMITS PER SRM 57-10-1. REMOVED SECTION FROM FSS 346-FSS 642 FRONT SPAR TO BE REPLACED ON NRC 934257.