What was found
INSPECTION TYPE:SI, AFT AIRSTAIR LIGHT ILLUMINATED IN FLT. VISUAL INSPECTION OF STAIR AREA SHOWED FLEXING OF DOOR ARMS INDICATIVE OF UNLOCK CONDITION. DOOR LIGHT WENT OUT WITH INITAIL FLAP SELECTION TO 2 DEGREES (POSSIBLE AIRFLOW CHANGE ON DOOR/STAIR AREA). FOUND AFT AIRSTAIR POSITION PROXIMITY SWITCH TO BE OUT OF ADJUSTMENT. ADJUSTED SWITCH PER MM 52-70-01 PARA E PAGE 508. FUNCTIONALLY TESTED PER MM 52-70-01 PARA 2 PG 509, NO FURTHER DISCREPANCIES NOTED.