As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/CTL ALTN LAW (PROTECT LOST) ON ECAM. HYD B ENG 1 PUMP LO PR AND HYD B SYS LO PR. BLOCK TURN BACK. REMOVED AND REPLACED ENG 1 B HYD PUMP PRESSURE SWITCH PER AMM 29-11-17 AND ENG 1 B HYD PUMP PER AMM 29-12-51-400-801-A. OPS CHECK AND LEAK CHECK GOOD. ENGINE RUN PERFORMED, NO FAULT NOTED. OK TO CONTINUE. HYD PUMP PN/SN OFF 3022053-001 / G1610750, PN/SN ON 3022053-001 / G1511219.