As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ENG #1; SHORT TIME FAULT 75-20451 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1972527 TASKCARD: N/R-00001 ) PERFORMED FIM 75-32 TASK 803 AND NO ACTIVE FAULTS FOUND. FAULT DETERMINED TO BE INTERMITTENT. THIS CLEARS PLT ENG 1 SHORT TIME FAULT. SEAMC CARL NOTIFIED. A/C OK FOR SERVICE.