As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TASK CARD 78273000 FOUND #1 ENG SHORT TIME FAULT MSG #75-30451THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED T/C 78273000, VERIFIED FAULT MSG 75-30451 IS NOT LOGGED FOR THE LAT 8 FLT LEGS ON #1 ENG. REF FIM TASK 75-32 TASK 803, #1 EEC BITE TEST GOOD W/O FAULTS. CLOSED THIS PLT DEFERRAL C/N 26022538.