What was found
AFT AIRSTAIR AMBER LIGHT CAME ON IN FLIGHT. RAN COM 2.25.2. RETURNED TO LAS. DAYLIGHT WAS VISABLE FROM INSIDE THE AIRCRAFT. INSPECTED & RESCHEDULED PER MEL 52-6-C CAT -C- CONTROL C06208. PLACARDS INSTALLED & MX CONTROL NOTIFIED. NO DDG REQUIRED. STAIRS VERIFIED UP & LOCKED ON DEPARTURE. ITEM RESOLVE UNDER MDDR: C06208. ADJUSTED AFT LEFT UPLOCK SWITCH STRIKER PLATE IAW MM 57-67-01.