As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TC 78273000 NR 2 ENGINE LOGGED SHORT TIME FAULT 75-10372. THE HMU VSV CONTROL CURRENT IS OUT OF RANGE FOR LEGS 0 AND 1. ACFT GROUNDED. IAW TC 78273000, NO RECENT FAULTS. PERFORMED FIM 75-31, TASK 801. OPENED AND CLOSED FOUR CIRCUIT BREAKER, INSPECTED CONNECTORS ON NR 2 ENGINE HMU. NO DEFECTS NOTED. PERFORMED REPAIR CONFIRMATION TEST PASSED.