As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/E SLAT ASSY ON SHORT FINAL AS FLAPS WERE MOVED FROM 20 TO 30. FOUND NR 5 OUTBOARD LEADING EDGE AUX TRACK ROLLER MISSING AND BOLT BROKEN. LOWER ACCESS PANEL REMOVED AND PLACED IN FLOOR DECK SNSR TARGET IN SCREW BAG ATTACHED TO PANEL UA 103202. REPLACED AUX TRACK ROLLER AND BOLT PER MM. OPERATED FLAPS AND SLATS. ALL INDICATIONS NORMAL. REPLACED ACCESS PANEL.