As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TOP OF CLIMB ALL QUANTITY INDICATIONS FOR HYD. AMBER XX XX XX. FOUND C/B "131XP-A SPLY" OPEN, RESET SAME AND HYD QTY AND ADR3 WORKED (703504). REMOVED AND REPLACED TRANSFORMER (5XN1) S/N 32571 PER A321 AMM 24-51-51. OPERATIONAL TEST CKS GOOD. REPLACED C/B 5XN1 REF A321 AMM 24-51. OPS CHK NML AT THIS TIME. (LP# 7815989)