As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB ECAM MSG ENG 2 CTL SYS FAULT ENG 2 SLOW RESPONSE IAW TSM 73-21-72-810-900-A REMOVED NR 2 ENGINE FMU IAW AMM 73-21-52. INSTALLED FMU ON NR 2 ENGINE IAW AMM 73-21-52-400-802-A. OPS CHECK AND LEAK CHECK OK. NO FAULTS DISPLAY ON ECAM. RB211TRENT77