As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 78273000, FOUND #2 ENG SHORT TIME FAULT 75-20452 "THE VBV POSITION SIGNALS DISAGREE.". GROUNDED - YES. (RESOLVED ON W/O: 1970578 TASKCARD: N/R-00004 ) PERFORMED FIM 75-32 TASK 803 FOUND NO ACTIVE OR HISTORICAL FAULTS ON #2 ENG EEC BITE. PERFORMED ACT TEST REF FIM ALL TEST PASS EEC BITE NO FAULTS THIS TASK CLEARS THIS PLT SEAMC NOTIFIED.