As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A DIVERSION - SPEED 230KT ALT GOOD' DURING SLAT EXTENSION AN INTIAL SLIGHT ROLE TO THE RT FOLLOWED BY A ROLE TO THE RT FOLLOWED BY A LVL 2 SLAT DISAG. FOLLOWING QRH SLATS WERE RETRACTED AND A FLAPS 28/RET LAD WAS ACCOMPLISHED. THE SLAT DISAG WAS NOT PREST/S REF FIM 31-71-07-00 BLKS 1-4, FOUND DEBRIS IN LEFT WING SLAT TRACK 3 CONTAMINATING PROX SENSORS. REMOVED DEBRIS AND CLEANED PROX SENSORS. PERFORMED SLAT POS IND OPS CHECK REF AMM 27-84-00 NO FAULTS NOTED AT THIS TIME. SYSTEM OK.