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, NR 2 ENGINE SHOWED SHORT TERM FAULT CODE 75-10372, THE HMU VSV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED T/C 78273000 AND FOUND THE FAULT CODE 75-10372 ACTIVE ON EVERY LEG. PERFORMED FIM 75-31 TASK 801. CHECKED DP0501 AND DP0601 FOUND READING WITHIN LIMITS. REMOVED AND INSTALLED A NEW EEC. WHILE PERFORMING EEC TEST FOUND NEW FAULTS 73-10342, 75-10422.