As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER T/O AT APPROX 600' ALL FLT CONTROL SPOILERS FAULTED. FOLLOWED ECAM TO SELECT THEM OFF. TRIED TO RESET, BUT THEY ALL REMAINED FAULTED. RETURNED TO DEPARTURE. FOUND LOWER EFCU (2CP) FALLING OUT OF RACK. INSTALLED COMPUTER BACK IN RACK. ALL OPS CKS GOOD IAW MM 27-61-34-04-0 AND 27-61-00-05-0. OK TO CONTINUE.