What was found
RETURNED TO DEPARTURE; UNABLE TO EXECUTE DIRECT TO FUNCTION ON EITHER MCDU. UNABLE TO GET MAP ON F/O'S SIDE. SWAPPED 2 AND 3 ADIRU'S NORMAL CONDITION NOTED. SEE MDDR 265912 FOR S/N SWAP. ADVISED MCC.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO DEPARTURE; UNABLE TO EXECUTE DIRECT TO FUNCTION ON EITHER MCDU. UNABLE TO GET MAP ON F/O'S SIDE. SWAPPED 2 AND 3 ADIRU'S NORMAL CONDITION NOTED. SEE MDDR 265912 FOR S/N SWAP. ADVISED MCC.