As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED T/C 78273000, NR 1 ENGINE HAD SHORT TIME FAULT 75-30401, THE VSV POSITION SIGNALS DISAGREE. ACFT GROUNDED. R & R THE NR 1 ENGINE RT VSV ACTUATOR, REF AMM 75-31-01-000-802-F00 AND 75-31-01-400-802-F00. VSV ACTUATOR LEAK AND OPS CHECK GOOD.