AN AIRBUS A321 FLIGHT CREW EXPERIENCED ONE AIR TURN BACK AND TWO REJECTED TAKEOFFS WITH THE SAME ACFT WITHIN A 24-HOUR PERIOD.

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PROB: CAPT'S LACK OF AIRSPD INDICATIONS WITHOUT ANY WARNINGS OR FAILURE INDICATIONS. REJECTED TKOF LOW SPD. SAME EVENT DIFFERENT WX CONDITIONS. SAME CREW AS ON FLT BEFORE MINUS THE 'A' FLT ATTENDANT. LACK OF AIRSPD INDICATION ON CAPT'S AIRSPD INDICATOR DURING TKOF ROLL. REJECTED TKOF AROUND 80 KTS. RETURNED TO THE GATE. CAPT EXECUTED THE REJECT; FO HANDLED ATC; FLT ATTENDANTS; COMPANY COM. I DON'T KNOW WHAT TO SAY. NEVER HAVE I; NOR THE REST OF MY CREW; EXPERIENCED 1 AIR ABORT AND 2 REJECTED TKOFS; INSIDE OF A 24 HR PERIOD; WITH THE SAME ACFT. BUT I FEEL THAT THIS ONE WAS COMPLETELY AVOIDABLE IF MAINT HAD DONE DUE DILIGENCE IN TROUBLESHOOTING THE ENTIRE PITOT/STATIC SYS THE FIRST TIME AROUND. THIS TIME WHEN WE MET MAINT AT THE GATE; THE MECH ON DUTY SAID THAT THEY HAD FOUND EVIDENCE OF A WASP NEST IN ONE OF THE PROBES. IT WAS STILL NIGHT CONDITIONS WHEN THEY MADE THIS DETERMINATION USING A FLASHLIGHT! I CHALLENGED THE MECH THAT A LOGBOOK SIGNOFF HAD INDICATED THAT A FUNCTIONAL CHK ON THE SYS THAT INCLUDED THE REPLACEMENT OF AN AIR DATA COMPUTER HAD BEEN MADE THAT INDICATED TO ME THAT THE SYS WAS NOW AIRWORTHY AND WORKING. I ALSO CHALLENGED THE MECH AS TO WHY THE MOST OBVIOUS PLACES TO CHK FOR A BLOCKAGE; IE; STATIC PORTS AND PITOT PROBES WERE NOT INSPECTED AS THEY SHOULD HAVE BEEN BY THE PREVIOUS MAINT CREW; PARTICULARLY SINCE AFTER THE FIRST REJECTED TKOF; A MECH MENTIONED THAT THE MOST PROBABLE CAUSE WAS A BLOCKAGE CAUSED BY A LACK OF WATER UNABLE TO DRAIN OUT. THE EXCUSES I RECEIVED WERE THAT A FUNCTIONAL CHK MAY OR MAY NOT DETERMINE A BLOCKAGE AND THAT THE MAINT TEAM WERE A 'LITTLE THIN;' REFERRING TO THE NUMBER OF MAINT PERSONNEL AVAILABLE PER SHIFT ASSIGNED.