As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 SLAT HAS 2 CRACKED RIBS ON EITHER SIDE OF THE ACTUATOR FWD MOUNT. REMOVED L/E SLAT ACCESS PANEL IAW SRM 51-30-2. REMOVED DAMAGED RIBS AT NR4 SLAT 2 EACH IAW SRM 51-30-2. LOCATED AND DRILLED NEW RIBS IAW SRM 51-30-5 RIB PN 65-17276-9 AND 65-17276-11. INSTALLED NEW RIBS IAW SRM 51-30-2 CLOSED L/E SLAT ACCESS PANELS IAW SRM 51-30-2.