As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - FLT 48 - THE NR 6 SLAT WOULD NOT FULLY RETRACT AFTER TAKEOFF. (RETURN TO DEN, NO EMERGENCY DECLARED, LANDING UNEVENTFUL.) REMOVED AND REPLACED INBOARD AND CENTER AUXILIARY TRACK RIBS ON NR 6 SLAT. ADJUSTED IAW MM 27-81-21. OPS CHECK GOOD. (X)