What was found
FLIGHT 453 ICT/LAS - THE FLIGHT CREW REPORTED THAT "AUTOSLAT FAIL" ANNUNCIATOR ILLUMINATED DURING APPROACH TO LAS. WHILE THE LOGBOOK ENTRY SPECIFIES THAT A QRH PROCEDURE WAS ACCOMPLISHED IT DOES NOT SPECIFY WHETHER A SINGLE STALL SYSTEM WAS IDENTIFIED OR BOTH. LAS VEGAS MAINTENANCE REPORT THE REMOVAL AND REPLACEMENT OF THE NR 1 STALL WARNING COMPUTER. A SATISFACTORY OPERATIONAL CHECK OF THE STALL WARNING SYSTEM PER AMM 34-19-02 AND OF THE AUTOSLAT SYSTEM PER AMM27-81-00 WAS ACCOMPLISHED. THE AIRPLANE HAS RETURNED TO SERVICE.