What was found
REF ORIGINAL WRI ATA 22-10-XXX 08MAR22, TECH SERVICE ITEM ISSUED AND C/W. DUE TO A/P2, AND 2X'S FO'S SPEED DISPLAY DROPPING BACK TO 35 KNOTS THEN RECOVERING QUICKLY. CHECK OF THE PITOT HEAT SYSTEM, PITOT DRAIN SYSTEM FOR MOISTURE. WARM OAT STATION OR HEATED HANGAR SINCE THE CHECKS ARE DETERMINING IF MOISTURE IS IN PITOT SYSTEM. C/W AMM 34-10-00-03 COMPLETE THE AIR DATA SYSTEM. AMM 34-10-00-03 COMPLETE THE AIR DATA SYSTEM DRAINING. AMM 34-11-15-06 PITOT PROBE INSPECTION/CHECK. ALL AIRCRAFT ARE FITTED WITH PITOT PROBE P/N 0851HV PER EO 6-3410-7-5002 IN COMPLIANCE WITH AD 2004-03-33, PER AIRBUS SB A300-34-6116. SYSTEM TEST COMPLETED. NO PARTS CHANGED. .