What was found
AFTER TURBULENCE AND ICING ENCOUNTER, FL360 ADC 2 AIRSPEED INDICATION DROPPED TO 60KTS. FO STANDBY, CAPT STANDBY AND ADC 1 SHOWED CORRECT INDICATION. FOLLOWED QRH PROCEDURE. AMM: 34-10-00-05, AMM: 22-40-00-05 PERFORMED BITE CHECK ON #2 ADC, TEST OK, AIRSPEEDS NORMAL. PERFORMED LLM AFS/LAND AND LIGHTS TEST, PASS. A/C OK FOR SERVICE