As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO DEPARTURE AFTER TAKEOFF, "B" HYD PUMP LOW PRESSURE ON ECAM, ACCOMPLISHED CHECKLIST RETURN TO AIRPORT. ACCOMPLISHED TSM 29-12-00-814-A, FOUND BAD CONNECTOR ON BLUE PUMP PRESSURE SWITCH GIVING HYD SYS BLUE LOW PRESSURE INDICATION ON ECAM INTERMITTENTLY. R & R BLUE HYD PRESSURE SWITCH AND CONNECTOR PLUG IAW 29-12-17. OPS AND LEAK CHECK GOOD. VERIFIED BLUE QUANTITY IAW AMM 29-31-00.