As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE HAD A SHORT TIME FAULT 75-30452, THE VBV POSITION SIGNALS DISAGREE. ACFT GROUNDED. NO FAULTS LOGGED FOR THE NR 2 ENGINE. ACCOMPLISHED EEC BITE TEST, AND TESTED THE NR 12 ACTUATORS, TEST FOR NR 2 ENGINE. ALL TESTS PASSED IAW FIM 75-32, TASK 803.