What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) N762NW DC9-41, being operated as northwest airline flight 1817, from memphis, TN, to Omaha, NE declared an emergency inbound to Omaha due to a slat configuration problem. The crew received slat disagreement lights and the aircraft rolled to the left. The aircraft landed without incident. Contract maintenance lubricated the telescoping anti-ice ducts (t ducts). The aircraft continued to minneapolis. The problem recurred on approach to minneapolis. The aircraft went into maintenance to check the rigging and resolve the problem.
As the FAA filed it
(-23) N762NW DC9-41, BEING OPERATED AS NORTHWEST AIRLINE FLIGHT 1817, FROM MEMPHIS, TN, TO OMAHA, NE DECLARED AN EMERGENCY INBOUND TO OMAHA DUE TO A SLAT CONFIGURATION PROBLEM. THE CREW RECEIVED SLAT DISAGREEMENT LIGHTS AND THE AIRCRAFT ROLLED TO THE LEFT. THE AIRCRAFT LANDED WITHOUT INCIDENT. CONTRACT MAINTENANCE LUBRICATED THE TELESCOPING ANTI-ICE DUCTS (T DUCTS). THE AIRCRAFT CONTINUED TO MINNEAPOLIS. THE PROBLEM RECURRED ON APPROACH TO MINNEAPOLIS. THE AIRCRAFT WENT INTO MAINTENANCE TO CHECK THE RIGGING AND RESOLVE THE PROBLEM.